{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "64829",
    "entityType": "User",
    "nonce": "0xcef90fedebdb61cb69edf3f611d4173ae2ec249c95c7beab61cc4d04bd012fb9",
    "signature": "0x0b9ce3f6880454f75e368581ec2447cb56515eee3c15f3ea7a479ccb54bf35157580d315e63b729f7351560f4f92361a2821d5ad1e9ec94b24b0d3f23c674b421c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}