{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "296466",
    "entityType": "User",
    "nonce": "0x110488286131445128391a69f19e85eea957fbe9bc688cb475d4d17d844795a4",
    "signature": "0x94bb30e19b3259bb9d99177fdb8731fb624d7a4b20066eb5f119cdfe6ebd1d9a467c23ae84dc321802269021e5c5d1769fa0408655f1aac879a331abab6a54911b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}