{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50737590",
    "entityType": "User",
    "nonce": "0xdc95594115ea3f09eec5497b78422f7b9a82a008c5f3eb4957c7004f2d48aa3b",
    "signature": "0x1e60694fc4136a680b5a8369d0e942df74ad747ba4d4596979b5390e172c8c6c05eba3cf9410cb56126451cd588100e97e7a13975ac6af97a1ad89021a35f26b1c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}