{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "959897568",
    "entityType": "User",
    "nonce": "0x18e8a44187792dcd0f78ab6e2526d08caa62c9bf82e4a7285a8bdc9d66491ae9",
    "signature": "0xb9ad11f4fc3e7f1b7d5a0f84504a9558065821299b4945b840ece24e903f6dc47ef0a43386627b49d64b5c88b56238bf76ddc6a8591bdb90f3b992f1716457cb1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}