{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x2dbbd6dec9f58d662156940abac544bfdb68f49f1558e038b6e5d53aacac3e19",
    "signature": "0x74bd2b16455e7d1f8875e292e558f7c55c8eb8882f5dad408f08195e090d01d96a895fd2a30ccd743e3e805662c2e6e087a2b48ed1a8ca1b5a3956c580f0d35d1b",
    "signer": "0x0C0dc23571744d7963feb3D33DC2F2C2cc9Fbea1",
    "userId": "604808653"
  }
}