{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xaaa5b53d8a6808ee3d66b36f89a5847869b809ed3e93cf6f2f18c92f33cbc0ea",
    "signature": "0xf46491229a3bcbf775139ea07c4d5c0118cf3ef280b4c732d2b71932489f17d84fb63a1249568447c367132dfc2afb91c9f45434f0c8012daa3e75c586c932771c",
    "signer": "0x716be6DE1a739D8d981854E5a6992A6b53C88dd0",
    "userId": "244357868"
  }
}