{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "144997",
    "entityType": "User",
    "nonce": "0x63beca44efcace0214b5b66d53d3ae846b2d28cbc7fdef8d5cb0b77d023b9fde",
    "signature": "0xc2b3b6e48145c336d0307792de617bfc05fb477c9debedc187335e8325739eb67591dd845108d5286df9a932d98b9ff7d1cb93567baf90ae7e56f36c37daf3e81c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}