{
  "manageEntity": {
    "action": "Approve",
    "entityType": "Grant",
    "metadata": "{\"grantor_user_id\":357460890}",
    "nonce": "0x059ec061786b05938f5b1303027f61fa7bb67287169d0c7430afefde56508d26",
    "signature": "0x2aaa39f8094fbe2af49fe5fb4fd242642db130d8f0cd82db5555726467ffaf363c6f0b1062e95010e63c28b675e63ec6b2620a133fb7d2244fd010cd3b6357811c",
    "signer": "0x5aF61eB51745F433C6cCc3078DBB675C709a3aE7",
    "userId": "759920"
  }
}