{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "964025330",
    "entityType": "User",
    "nonce": "0x86b4ccd484df66596f92324160b8a5051c604de842f09f4a6a3873fe3d4b4475",
    "signature": "0x1a682a8576b494afa94a1b13ee5bd3d3e2312f5c3c49a319cfee0a1c73437f801baccc0f8c4bc6ac1350dfaaf8049e034d7b15b58a1a31bfd0432e3120ff8ddd1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}