{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "143226702",
    "entityType": "User",
    "nonce": "0xb5a2f2b87bc73c147e9e4d26edd70cb0629a1c315d49e87c26b5aa27873ef321",
    "signature": "0x32f0d6955491d9cec1c64abef5b4b6d4f90c031ab99e95fcab516636ffeee1b46d968ca9f0b7d2ad2eea89cfcf0d843c91694df332d6aa0c3fed963d2479036f1c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}