{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x4036c73459faea01184cfb718109f1c260f16925\"}",
    "nonce": "0xd7b896a61a14e4e35e75b113914f1599389cf5b975c957f26ce733985166c62b",
    "signature": "0x253522be47971f463dc8b0be8e904bac5690fdcaa3e2ca6e881e567054cc8eef51ebb8a22424f8fe5fca3ece9ab2bf7f6bef0f62f80097b902b34ebd17c60d4b1b",
    "signer": "0x70F676768959be648C55d1E2551E02F36a6c97f8",
    "userId": "565332983"
  }
}