{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x8d481682969ac9f6c0bb7c8e7786418ee4c5095831c4d70a87f552b363f9aa97",
    "signature": "0x67e7ab42464f42208daf8baec3f5afcaf4a85cfbe542cf66311c8709a15f247b2d730201efb4d5d3f852ccbdae8504df3c047998656873794de73e0be812ef741c",
    "signer": "0xaD18d47Fa572f5b5Ad74227EAA7B239318402Ce8",
    "userId": "176359011"
  }
}