{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "813014034",
    "entityType": "User",
    "nonce": "0x0e7d16f89fc6329f070eefb7e29ce4e173e940a56c19efdd961493d325aeeba4",
    "signature": "0xd662a0f42c43c99fa359ef0875b682837536687d7fa94b1c1abed7d293e697fa200d991d1b59fb0f6a0ed5ee3323c8481c2ebb2fec754ba22db79c466fa40df91b",
    "signer": "0x2B171214e998033E806F72301307B2160CD94DdB",
    "userId": "489165782"
  }
}