{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0x50a82c4efc7957fb5176a7fd4aa59d26e65c9da4197193dbb564dab3250c4a70",
    "signature": "0x30863242435d11b503d501a7da33a18848a7076a51c21420b3c50f39fbfd03c03f7da45ed253a73748e9ee4487fc31bb47e11b576a07581fb88d9977e63523471c",
    "signer": "0x44342008B50D6c8856CC999bCE63B22f99540EEA",
    "userId": "692726075"
  }
}