{
  "manageEntity": {
    "action": "Update",
    "entityId": "170298194",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5ae67345e67192684eff634554781bf2d2c5830a8cfe162bc11edc6cfd385c5e",
    "signature": "0x630dfea17f070981a466ab0bdd40fbe9bb448e048f7b1f4ba499d8746e16e8226c8911308a08899a725e78f5d5e8aab00e970cd843d6e26e6f098721a08413e31b",
    "signer": "0x85105A2ebc4C2ce4A7814139985eA89254dA17f5",
    "userId": "170298194"
  }
}