{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x922cb2ae695da9f7dd0e556954c23eeeb8bffe0e\"}",
    "nonce": "0xaf719c9eb96e3560fbbcd1853553d27454496d5cf2e8397341a145bfac8349c3",
    "signature": "0x500b0d8f9a4b428cf16c2e2b30b30c1c47f13f00b7191121a83d9361da0a4eab0edd8402ad430e4142cf9ee7eb2cd2898eedf9a4f176486e83110d986543f5711b",
    "signer": "0x776Df7F295Ed74DC9C0544Fda72e8629aB86Cdab",
    "userId": "6600295"
  }
}