{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1429398",
    "entityType": "User",
    "nonce": "0x0e6463e0dc466ddaa7bd71017c4e2fd0821c2ee7bcdb98a77a6c9466a9e42d00",
    "signature": "0x47267ec22aa65211301de684a3f3861095062203902b260adefe80ee156898635e92f8d7e2b6a03a669b8f71eaf8f28dc5e79a90014a639ffde378c46ff0b8a61b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}