{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "517124828",
    "entityType": "User",
    "nonce": "0x4c07354d5a2a99b9340183b49d9fe5763dc6b2d753969c91df0e373eb2e3020b",
    "signature": "0xd756e472a622c1ff1f8f2ec71e58552da507e7464e806fb44eddd554e427dabf7815f5edf3f60d93270b3ed3ce4df31bf23de20761dba782db8a34abd155028f1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}