{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x8e6a0c5e8c93775d1f70ac5591514a5e00bac7f5\"}",
    "nonce": "0x895e4faa678e08e3b2f823814eecc26e6e2dae7c14a15d95375b4001827db17f",
    "signature": "0xf93cd7e62386bf54cb1f46df1a74cdb240479d1fb7f85ea07395c8c2f90dac423acaa469e4eaf027f328dccaa64389cfdd15d285b55e4a0c8b3dca43a3d5bf2d1b",
    "signer": "0x29B161Db94d909E35f82f8b4B518fd6Ba44d2dAE",
    "userId": "939473689"
  }
}