{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "195346362",
    "entityType": "User",
    "nonce": "0xe68dbd1cfe251a44f38322933f172955211722d8387417d6093465a1f6b4c755",
    "signature": "0xccf6af26ebfd1b19d20761ceee9464bb52878a72433fb3c601c18e4198b678c81bddd203903222edbe6177454ac2a45ca755a7d589f2b935e07df8a12f587abf1b",
    "signer": "0xb2db786840F9a199963F3BD82D98836a1170B394",
    "userId": "604486086"
  }
}