{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "956403",
    "entityType": "User",
    "nonce": "0x650ccf710951a1d0549d0f314a5d3708538ac749c84f5a8a0af5ddd7b1ab009c",
    "signature": "0xcd3ecd693aff07b1b426cf7551e0fc6a24133e329e308a4aa7f4a96bb826a028739abe9defcbf60646c2ed005664e87046cc1cf19e8dbe7eed1cba6a55987c391c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}