{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0xe8a4731f773260650cdb284a2eb402c728f165477d930f1de270aa6668bc2e89",
    "signature": "0x3045ddc69e1b4dd3aa5d60dc07e27ce8510d0ec47d143fd54364db9747e5022739ecf1fd0c79faa0fbd7eff981a8f874879a32255c0b61abf9d83c942297705a1c",
    "signer": "0x2457Fa7b2ab9Fa7dd56C40fbc6aC375b2Fad3844",
    "userId": "318641370"
  }
}