{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "791433195",
    "entityType": "User",
    "nonce": "0xc0057137203f265092b6f97cdb5e056b96e03d69a4056c90e8e41723f8b08403",
    "signature": "0x3f46f23b34be0c7732fa3798575a287ef87b958c265b4f39dc1cc18bfa4ad9085eea2ef3303d84ba8dee54370961069e11a1c26ba9d3c0fa3aceb0fa8a0c83591b",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}