{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71508",
    "entityType": "User",
    "nonce": "0x4d0af8b0710be8bff621b42eda2cc9eb3191cadd9bf550093118afaf9ebb12b9",
    "signature": "0x4f658864844b765fb203dd1cdbc537aa5f29cb2a33e84cc36876b2fe42865ce61252db49c3ccb4674477060db71f785b2a3f546c612ec006363a477495de66a61b",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}