{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "171594868",
    "entityType": "User",
    "nonce": "0xc79f8126e531ca4033e4f91f486f0c01c8f75433a31b1f3127fd06deea6bd009",
    "signature": "0xa3e23be6265ead7c43dedd880b193b1ac3ff6dc541bfd72f3dc2e46ff986210d1f364e770f025b427027020c45953fd0c01dbbadea7ade9b2095fe57828dcd6f1b",
    "signer": "0x44Fe9338D9d1405927C73FDA0be0F36ae481Cd39",
    "userId": "983568397"
  }
}