{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "849737890",
    "entityType": "User",
    "nonce": "0x2e49076b490430619a36f58288006f5895ad9fea8763de5818701bfe5d74aab7",
    "signature": "0x60c4c820de3969c3cb2ff680d2ad4c515b6459a20cc858107f9b310ab16e66a7549dd69e06ede2a975e94134b80bbd504087d2f2b182fe2f5e08d14bc33ebc291c",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}