{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x81952958d34679d202a61a7cc72879942b95661b8e1f3c66fb6170bc7b34b2f1",
    "signature": "0xf8a93504002aa51f45e3d8528577a89daa42c2cb3d293447aa1028960fa0ebc66d606e2a910719669e44887a7de3324542452aaf618bcfbf6517f2e25140aef71b",
    "signer": "0xBD9212Bb98c029bE060BCB55FE1D7A90bE21BACf",
    "userId": "573056399"
  }
}