{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "383103",
    "entityType": "User",
    "nonce": "0x23de22ee4d0d5816b70362ef190ffc175a8c3623fafa023e5a222c525de3c599",
    "signature": "0xf9b762acf8581641162fabec4d364d9058e4f982b527f1d312078b7b36c978931dc5a19136d41a2a82f1c97684f9a78c961c00b49fbc87152b6254cccbf7753f1b",
    "signer": "0x926F8d71a7109CF6Cce00DA74e1BcF50aAf63E8b",
    "userId": "358546053"
  }
}