{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "347139808",
    "entityType": "User",
    "nonce": "0xba9defe67056554c2be86a8caa3619a77ae74c16ffab47097982cb8aa5fa0b65",
    "signature": "0xe98913c016e62cc9628358b54d07150569a8317ad523a573e2a4fb553e21fea502149abcbcba706ea72e57f5871ac2c38c5d3a4e2ebe4315239e9542604b95241b",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}