{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x8e6a0c5e8c93775d1f70ac5591514a5e00bac7f5\"}",
    "nonce": "0xc3565e40e555ffded2e43cdb84ff6135d31486e7a2b8a759cb2ff450ac36e035",
    "signature": "0x6a568e0c844c3ad60ac1e1e0486bb33628bc2d100323e2a9511303cdf3eb015c1cb94fbb203097e94aa2a5e3f5ee384a6cdf2349102a151584cd7856b78c76751b",
    "signer": "0xa8ea99a0D53b5CC038a733725d1424cb7e0038D8",
    "userId": "210620178"
  }
}