{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "393875387",
    "entityType": "User",
    "nonce": "0x567ed35b9688dfee5409051cb2ca9b56140e00522604f4d3345594d7f87932e5",
    "signature": "0x47fd9187e090b44aa03c0b03316dfe88eef2105c41ea691bdc0b669c7de7e7740f8c2852093326f0011e8ea8f4432cdde1e3c29318395747bdfa50dba1c1ba8b1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}