{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1966617",
    "entityType": "User",
    "nonce": "0x1bb45c033c67369f670d4419bd05d0be64a992ffcb157aef5adf0702b7bffc3d",
    "signature": "0x8af8dff5a2cffa56b1b09e571be7a73856b7aaef0d0e5c6048112ea4471cd322751d9191c25fc6f51bb27ca583492a00c8573669cf33b1e30499b2744dde81af1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}