{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "350320",
    "entityType": "User",
    "nonce": "0xbe4587e842a4e07f7004ee294088a1422def8b4fd5c1aaf5794b562d3c8ba5fe",
    "signature": "0x8fe053aaca54992208b739da23f3484a5bcc1432ed458d568a39ef4f96d1420b3fc4f96c09337fcd846fe6513a28924ee1f403d3a15ee8f7e5d415476e5064291b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}