{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa6a4cf2dd4e5c580211e8a55c37a2c7433324fbf5755e239148e835497669c18",
    "signature": "0xbfaa92a4837341045a368369feec1a28eee836d4be2c95f69a5870427115f29202c79b2920589a0fe3eb5df5932211d4848ba2b691382db06c93c4ae6c02017c1b",
    "signer": "0x64c55CeBdbd0A1d65e0B7e01f3C03f0Fbf816cD5",
    "userId": "368317933"
  }
}