{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1422295",
    "entityType": "User",
    "nonce": "0x9d99dc02f60e00dc4017552bdd999563d868889558f0ffc29c3d989efcf893df",
    "signature": "0x6f3c947e036862cbaf180e1c4cee1c3bd1b0c0baac621421fce6642674b86e8d46f2e74c3e2d5a0e8077ae84b3346dac33a756041e31ac9ed1a084c7f63e24f51b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}