{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0x46a44f0799d2cdf4273fa24215f8a3e8418bbbeac67a0b777cec0e3a4446901a",
    "signature": "0x774cd393080fa2c01c7cfcefe4fac9a10b419b7c6f17819cc273776617c0a2022e5e9c037fe9f6c4361b79d523002c3f038686389ec4c51a7ee6bb219fd4ebce1c",
    "signer": "0x9b682c779356138D1D188CAB373b0F44a2d43d09",
    "userId": "512022848"
  }
}