{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8255",
    "entityType": "User",
    "nonce": "0x187348841cd7f4996078cf1ace04a058bd37407448913952b598f21ceb1384ff",
    "signature": "0x805e4a9414fb7d5d8ce38ffa8fbcc3d1dc003a56752bc936974beafe7beee1797ec4277862816ce1ea9e6af3e7fb66189b211bdfe59544e87751b6d7e8f1c42e1b",
    "signer": "0x87FC3581f96D45b347BB39E15f25079950C5Cc27",
    "userId": "339826419"
  }
}