{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x4448207df9c35f9553a9e168a92fe9d6f59cd24500c70c9bf8c13daa0bd1b83d",
    "signature": "0x06cf27d849effae40b2f0d86fb0401ade33db1db7774c23f7e353b2b29fd13d778343a9935e25e93ea7a659fa895dfaff08aba65aa8f12e244d0c23a9ec541321b",
    "signer": "0x85105A2ebc4C2ce4A7814139985eA89254dA17f5",
    "userId": "170298194"
  }
}