{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "888669942",
    "entityType": "User",
    "nonce": "0xcc5a4bbac097888f25c410240815936ca9f22829a5f851e15ba6a99977319284",
    "signature": "0x8dc517c4ca0e6ec1dab69ec6bd6c77d82058a15bdd45d5a39fe5ae1153d345f52fb0cee5152c6954582683525ad9af0dd165446c11e6ea468b43255f778d36ca1b",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}