{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1139109",
    "entityType": "User",
    "nonce": "0xb34df543fadc60e7464a40756fce7400f6174b5f02afe7f6a301fbf9d83f112f",
    "signature": "0x2ba7537cc84d16d0ed69f86df493484fd5d86d4ce8126cba73678148f728c3735451ea555aa72030461f110afa3d1cd7a29661f303555ff09c425e2b9d9ab2411c",
    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}