{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "456594",
    "entityType": "User",
    "nonce": "0x74f0443daa9cb20fdf48b3f6f5bd5bfd572eb34665c24c3890894cdc8963e62f",
    "signature": "0x2482fe94af22ee005a6c5280e293dffe67c3be6325ff97fa353b14479bb2dd901ac9aca8811b52e0ecb070764faa0623a673d1070567c7fe8ae406f871dd4a181b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}