{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "753637215",
    "entityType": "User",
    "nonce": "0xe48c6bd03d82c2f2c38f2e989b9707f93c87039de5152853bf62830581f07435",
    "signature": "0xbd3134f5bd5e498506b42aef21a8328013c20795e924f4d303ce66f2560424db1895d00ca653373efed18f1cf7c8faa96a99c5474e3ea8fb3349f873790d0d3a1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}