{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17152",
    "entityType": "User",
    "nonce": "0x821669aa3c6af913266fccaa5d9f13962513d35d617636aae148c1087509b39a",
    "signature": "0x21d4b5b47bb4085e7186bdb406b5bb9d2f5dd58b111622651d0f3a8c39f816235b4ef5460823abc8681673b7dd81fcefdfd7e7a245a39457acc8a49eac15a3641c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}