{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11242",
    "entityType": "User",
    "nonce": "0x3e0ad55e43c048378062fd1ca7a941d459a858a116c14305690f65ae8eeec243",
    "signature": "0xfc92f4a8ed8f4ee059a43ac13b8201ffdeb6b3eb14e15d8273202faa04cb5a2e0162dfe1bb2e1bbdbc365312f574542e29d3f647d04d6f5ade2b73e0118b3fcb1c",
    "signer": "0x4D8EDeF47b57f98c89BDFf851267B0327BE4cD05",
    "userId": "5307724"
  }
}