{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "218904",
    "entityType": "User",
    "nonce": "0x60f461358c34efd4f3f93a2490c4edb8cc21db0fc81d8ecabfb1fcaf1044b814",
    "signature": "0xa59693eebbac0889189b959266d835fa1e4794d143b3fdcd8563f0d485128f2874c8c0317c0faa46b278171da932e68bf7b6b6f5834cd01ad3c4ee1d4ed067cb1b",
    "signer": "0x9369ae91F6A1cC4996D9126FD991d64e7E24c805",
    "userId": "333763354"
  }
}