{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "580720856",
    "entityType": "User",
    "nonce": "0xb5d31bd4979bef789881f943f5e1a7e0f5e522374e7058512e5be7ffbfdf2dcd",
    "signature": "0x08b5f7cb1e9685cb8283b8a165b7d922102003b4ae7fc29663af6371580207704c7c895f30d32703bd07de1dcd33c460367964eecc894dcb595668a0671ddcec1b",
    "signer": "0x011414ab2b7d0e52b35b973afd72489606dB15De",
    "userId": "125053"
  }
}