{
  "manageEntity": {
    "action": "Repost",
    "entityId": "578976415",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9f1fe6d286c2f11a6ace361f280ecbac1f0656b2ee382454ac18b1ef1925853e",
    "signature": "0xd15ab66a14605fa63a4ad442cd4a92d7fa05d48156b11fda32795fde2432574d2ff68cc1b919c718a1b899a1a4b44730ffbbd00e275b30b8f21eac6ba5dd92ec1c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}