{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "993011752",
    "entityType": "User",
    "nonce": "0x2964e6d1fa08d2508ecb864ccd7663a9dc10da0467d553e1703a2c36879f4bbe",
    "signature": "0x63f13dd019ae588c866459b48726f62f8298875e837cd928aa14291b94d1117405ae40f651fdb62fc3c5798bae262411c27e0514e2b20938901872cd9513888c1c",
    "signer": "0x044FC5a5dDb09Fd969Ac4aa606CddF360FE384dC",
    "userId": "144585121"
  }
}