{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x3f2df06c2477d3d9f558efb7fc9b0bb1e8aa9757acf53b57175dbd6638244c4d",
    "signature": "0x46dfb1d00ddb20ed2a2ba3b1c57397f2a2feefa239417c1a2ca94945eaa8f59011bdef76eceffaa2cbba82c7f7fc6e017d03a36a9efee90fef5859e5eb7fd7a01c",
    "signer": "0x1b3E9Ea15dF71Ced48bA8E493c9BBBcBFa25823a",
    "userId": "913385866"
  }
}