{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x983c31d45df677bdf81d7f538b02628a81989a8d14ba92f58a09752e5d619c0a",
    "signature": "0x558faf067d826dc1d1a19220356d776f5a75c34c0dcd3128a506ee2c42bad77369c2a23e8978004081aa3875719869e9f1fde8b403bfca87ab93c34396faef9e1b",
    "signer": "0xa43f0600E884Ed2CeAE3ac627139CF73e8B6b3c0",
    "userId": "773372683"
  }
}