{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0xb7a755f1a21ddd493875995490a4cc4f5694362508214937bc098dbf086b5d4d",
    "signature": "0x1bd6d61357fc489199f601206611da5a232c1aacb5c1491a563754b4350d091b59e192266205872c63fd65125e2c765026a355a286bdf470421498e4eee3cba11c",
    "signer": "0x0D6F44CaD964C85a5Bb15D8c0ebAEd9f6CFc051A",
    "userId": "142063001"
  }
}