{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "959011763",
    "entityType": "User",
    "nonce": "0xc20bd80554a21688c463f87938bd35e5ef9f9e1469a954fef3b8ee1d3cc677fa",
    "signature": "0xa46cf0556209ec472bb2e9e72a871874654ee8960c910c54808787ef575e781a3fd39ac39a7b45d8ac8737baf27f8c9b54d537b21d4409a3a021347e7b98aafd1c",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}