{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x7769bb0a520176d2d94d9effef16f82d6652078e0b6a0fa28d58891376ad7f8b",
    "signature": "0x2ee55181d0990ff10567e38cf51c778b1e957dd137f96f7313f60e0effbbc42376e05f1fb01dca17bff6f3be153a9a1043282de69235949ff60fda9efd155d961b",
    "signer": "0x3e2fA616B57594Ae99d013633c3Ad00E5E7Bf3de",
    "userId": "759888664"
  }
}