{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "107971",
    "entityType": "User",
    "nonce": "0x8cb3843ac542c4dee29918ddec320d1a175a7cbb30d6943dd74cdb537288b18c",
    "signature": "0x07ccc543cfef1b8a2051b697cb07bd927da5cd78b9dc0116bc14cf14e341ed0b7ab5e8df34415dd9b54f4d94c1c3d2e5ee4532d38828a86faffe101c3924bc371c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}