{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x066d95e8109004f95fdaf4321b048c28891126cfebeb9585d9abc462a419161f",
    "signature": "0x750361bb47df0befa267fa4d97f6ba753f6d64398fbc26fee648d482973fc121097e83b720ad51521ad286644741d28c3ba69cb822d0b0aa4a1eab825e335d491c",
    "signer": "0x4D688aAFd04a5b7D89acdffDc46C3f24CD9c2287",
    "userId": "565455523"
  }
}