{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831117417",
    "entityType": "User",
    "nonce": "0x69439a0753afff04ab0cdc442e66518aafc5732c91ebb14956b896e565c24c0e",
    "signature": "0x2ca083c70c0707fb0185357a51e90a1f61b2cee3796b721a7bfe5125f01c0e7b1924f8cb7c2c7561aeb213701c1ae614afd793561561e9463fad20ca3a83217c1c",
    "signer": "0xD3aaf26adEFB3a5342559Af184A2B1A60d85d48c",
    "userId": "969179620"
  }
}