{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0xed785382a2c556fb31b259faca44fcf17e854bbe7a5f2cc108b7c5f6f219a7a5",
    "signature": "0x193a80ef6caccd9bb069b41a56b31b22263dfca725989e023b85162a1bc4828379a93407fc3faf5a98d993add3cb15d907b5c7f98fe31974f297432672059b281b",
    "signer": "0x30a194C74bc27855df65AE4C00801A2504744368",
    "userId": "824409849"
  }
}