{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "455502808",
    "entityType": "User",
    "nonce": "0xb6858e1e6253279b39cdc13fe45e52362349f8964526dc696526ce07363ce424",
    "signature": "0x7527bc600869219034315c97613395b12ae988621ba08e984861447220ba3053042b52dfb6ba27c933ecd44023674be97059e13d3bc662e77ac252a732a608981c",
    "signer": "0xcd864e8A0A043bf1B2DA4106C35c1daF234468a5",
    "userId": "784246910"
  }
}