{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117649",
    "entityType": "User",
    "nonce": "0x13a72a88298352045ca79a157a824ac96db40ae12b48089c6cb7977b4185a1db",
    "signature": "0xbc96863721469e806e9b08b19a50a86dcc131ae68a6e4d2dc19a674f83390da144b385b529090b28b30c915c6667d7c0fe9763eef5817f089f025eed2df3860d1c",
    "signer": "0x0E54A1Ec1C6e8A205Da877c8Bc305Fa0E321227d",
    "userId": "659810779"
  }
}