{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "922259554",
    "entityType": "User",
    "nonce": "0x55548ac247ecc5eae2073d41ed420acea4f52b39fa6b8e7d4153431f983ef531",
    "signature": "0x986368e5cabee16190e8ea160008844792f2a72373503e5593fa9f50c89c158a45023aee2d439a42fe4459d9195f11d6ed5d7c3e6327373f20393d55b7ca68251b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}