{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0xb201f9e18f642bfb014ee2946f604244a1c10ec02310083fd1d68c2655f14375",
    "signature": "0x934a13606fa4dcdf6254ebbad5d7698e17e1e0de62d1ddf3e63442d455b253355dff1a3af7e8948d112f1160c2b2fc67a9d3704e93bb5eabb4baf3881647abb01c",
    "signer": "0x04d2AeF69165e1c1d73288e89Bf7e0Bf14608308",
    "userId": "501224594"
  }
}