{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0xcfe40f2dd8f8ca1766a6235435d92807e429f4a319eda3d1116d6ded1138ce9a",
    "signature": "0xfec508baafe2d781c2d433ff7b1a985714186ae434fcc8f91c1fe86b94f5a054666fce66b49f64c18c836f29cec4718702dc4cb7c2f291fc3713bfa2b3412b821b",
    "signer": "0x4f24EFcc0f8174B7836f5EBbeBd72AF3f1746E74",
    "userId": "230109234"
  }
}