{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xa514f3613fb92a7fa596aa881be1e8a21e0a50d9d5a05027fbf58ea43dde145f",
    "signature": "0xe5b06dd81ab9030c0d8b8e12443cf3903578c9f8bde94d9e735bed5a71c8d3112a7c536e1465c027f24510d1088daa27070d1950227a6a5ca0886074d86def2d1b",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}