{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "959246781",
    "entityType": "User",
    "nonce": "0x72c6f05bb140ef425fe393c9bcb8592608a48229bfd36473ae08ae71fde88467",
    "signature": "0x044c54138749018b2a6508b58fd251f2487a9b0b37bda345a5cadca5e0f6fd4a5c99841e07052c48d8681ee767a4406dbf5e8330d94f058c5f4f709cf34f54cd1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}