{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x9504e71d3b7450c321850ca4451aff09e72d6b01\"}",
    "nonce": "0x0b7e328e051f5d7f2dd8c21783c23ecaff37bc5ebbf7f74ec8e25b4fb1c7e34b",
    "signature": "0x846a39e9c2dd0cc5644b8da5f6847ff4bee7fa06e0ee16670d706eb1743fb14138ab6fa4c0246ff69a967534dbcf9c050d2a3585606d51b78a1b4a41affec5861c",
    "signer": "0x7212FC9b44b2BB370D62E8b98dA3f7D74c307696",
    "userId": "324170795"
  }
}