{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xc54bbb0ccf422e3c66c9120fce31f9aa2596b016\"}",
    "nonce": "0x7521c8634dc94009076386ec8ca9ba130c923ff2e4ae90b00225d54ae1845b17",
    "signature": "0x15aa6b74b44f4ca8219da7f52bbe78d4acbfb6768bd1b16286c41760be6376e45929df6ee15fc4d7459761f4db0b039d08243b4a3ea3211d24cc019bfd5e1c471c",
    "signer": "0xBc14c596aA16fcCc5564f40B0296d5a41eA68A11",
    "userId": "2167"
  }
}