{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190351",
    "entityType": "User",
    "nonce": "0xaf8d7cf8dd5877d78d7277bed276abc50d947c1e5dacbfd601561e0380bc967e",
    "signature": "0xecb97acb1c3aa3b1e2f5220143b89b7f49f58fe8d29f1c6f8a590f2e100e811d30df49246aa0c45832d3c33f109a6d30e465f8defae0ceb31491be98058010c91c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}