{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1385998271",
    "entityType": "Event",
    "nonce": "0x5b4dfa13520f4dfee636146b344aef18ceeb275c082565d2a50c0ddeab1dd23b",
    "signature": "0x51538b18947f06a4c4dbbe54893402c47015f77ae92c6431469b8864c4421cd25a954c1163c109c00919c64dbdfe7c97b7a3d066bfda2288acb6548a1cf8eca21c",
    "signer": "0x9436FA87F6c8C3aa9e0F0fc7960566dEeB9e23d4",
    "userId": "2047015"
  }
}