{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x78b0dedcb72eecc7a1e928aff035e65277c2309314e835ed7dac622b15849a23",
    "signature": "0xf497bd4f4356eab68b5a47d93830fffe9961b84a2db501e7325038ad96dd80e66e76c0363e21ac65ad16a6b7151dafff2af02d162f9418ed140c6f412fc444751c",
    "signer": "0x9FAe41CC4d5e029AA7ee7d839F4c3fBA71C92b80",
    "userId": "195560"
  }
}