{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf2710669888febb9fdbfaa3df37fc24a2e19864cd535b39a66b4ccc06321ff18",
    "signature": "0x9d2c8eae31d079e867fafaa4d86c048df5506a3fc3492e1a71f8e7260e92ab74191eb0ed9d3a1c40d325589e88a59c2146eee1c5602da755c40b3371450437791c",
    "signer": "0xBa0c772948fEF8B1b9BE813cc15Ba7CB7BB92ce3",
    "userId": "175567429"
  }
}