{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61012",
    "entityType": "User",
    "nonce": "0xe7f63beba5d02e438898e71f2196ad53f1f8d96b21921ffcd08a01144950e50c",
    "signature": "0xea0e1243857fbaefc1436f853de6be76db56434fcfa64fc42dfb5701ad22bced5187a17db1e8afedcd58f696530f5f00529a09d0fe960be198c2698a0c1f63661b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}