{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1276",
    "entityType": "User",
    "nonce": "0xee8f615c104555a8cc5afb1ba85d0fd8a6207da924680e447ca8a681115aa497",
    "signature": "0xadc134a6a136c2c1c51c9a0a8edce5b38db9e839f1bcbf391b4f091303172050353622b251754fcbbd2a20c843a519e93c76a376785612b4b7e2c87e21924b771c",
    "signer": "0x12705C8Fe8CE886CeFEFa0d4d46E906f2c35C954",
    "userId": "477934274"
  }
}