{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xebad928af3e5609578707b3f60c3b0d98e6ef8e1\"}",
    "nonce": "0x2dd2f6fd7a288a90906ace6e292a1333205a6f1f356e9387e4eb062556418888",
    "signature": "0x97f506c44d85ccb8223da8a7aeba1dd413c1fba95ecddf8a87ae649659f14c4d11bcd839328434f255e721f8d62bf2851be781947c2cc61647738e2378eb53c11b",
    "signer": "0xdf73f027ccb4Bf79762e6287273b8de5255d81fe",
    "userId": "77335616"
  }
}