{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x8e6a0c5e8c93775d1f70ac5591514a5e00bac7f5\"}",
    "nonce": "0x445752475cf788a689f8ca14f933544c6546694923909dfad4385201d16d51e9",
    "signature": "0xee9288c354944f00f3647cf024023be27772743b910e835611773c30bd0193331a69073fc7b88a399df82a3487fc9a3721f69c51a6e2ae1dbc46d4b0dde5aae41c",
    "signer": "0xaf5D68086d6E35FE25fa8AA0A80ABD2fa91b3Ff2",
    "userId": "93143806"
  }
}