{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20651",
    "entityType": "User",
    "nonce": "0xdb3b2db4956d246057ae5c64867ccc724bf9a1df92d00bab0b194815bb78a359",
    "signature": "0xc3ba9556964a552da4804400954ac30b0d93cc617361632b4842e180c0433fc2251cbf0f306bc166a76811ad344f980151088fc7e3b690bf06ac2d875dacd1dd1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}