{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x2bd63e3cd3165582eeb50abe2b5a2df3b2ffb7380e937eec92b53f3a13631311",
    "signature": "0x42a5593db346926512da2c5f1d3645a2d92ef49b639f21aaf77e859dfbba9a073782e1cd76f862c870f09bf0bc2fe0d896cd408bacb4189d65301e076b1130321c",
    "signer": "0x9fb87BA655735a09619737dd221c922Cc965a2eA",
    "userId": "603341162"
  }
}