{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "944969758",
    "entityType": "User",
    "nonce": "0x61337f827fe569e2d9369f6a275c9bf72171440195ab45fed9be7469c818e938",
    "signature": "0xe557efc3ec058a65da2d2401e9bf49ddacf2fd42c3a910984b3acdb6ca28eaea1869e94dbaba146b845002d346a2aa818c46c7b39b9c18aec4cd86518ca9c74b1b",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}