{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x3a6ce3d10cad3b0c78708d054d0f76138a1524f9\"}",
    "nonce": "0x2f4fd37c8638ec2679df48354f419682b15f1b16f1bb40f68f205ca27e8f9334",
    "signature": "0x27b0ea3adce5173cb6cf149be7c6220a075a25efcbab199378ddca5c2b77e2ed12cfe40e9f56109f5b7a5abf04ca2d84eda5146d55903414c78837cbbc5a16bf1b",
    "signer": "0xdA49Aa7B905e7dE15258482bFAC39FdB6c79bc17",
    "userId": "95919026"
  }
}