{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "557210595",
    "entityType": "User",
    "nonce": "0xb0103bc3cb0e2d76fc32fe43917aeca3d0eedf2aaa322b21b6530a27173ad4ae",
    "signature": "0xfd41c105af700d95e2916cdc74230c0011da54508a968f06538673e0588372ef3dfca330634dfd0545fba0d1d204f054b51178321baa8a744b39576971da171d1b",
    "signer": "0x68AEd22766Ac1783c19EAD83DD0239e1eA879229",
    "userId": "267448071"
  }
}