{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "806873848",
    "entityType": "User",
    "nonce": "0xd570db864bc686c84a5ee8bf373f5ed5187126dcc622cdb9363fa9833b3adb6b",
    "signature": "0xc700c6dba25d7d3b9c51291867388832ba95189a622a056a0fbf157dc05d208c10a9fa4eb1daa7954f82c9d7320aa92eccbbc60db52f7a192c62c64206a6663e1c",
    "signer": "0xc03cf24b1C519dA6a18B6509c7F5C57d01620755",
    "userId": "870665506"
  }
}