{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61893",
    "entityType": "User",
    "nonce": "0xb668bf8ca0f25b5412f9a53937c86f0b7bf4bb07e7a8e8cbf86312643d6aa780",
    "signature": "0x3b21d39601f0767e89ce004dba2c41db0f998b81f12bf57dbf522159062b4de53592eceac5dda5ec43c876276adde2f9a713b597c2adbe60142815d87fdbc7d91c",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}