{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1340537950",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x75d38c8a2d8ba5a0cf105666e28618317822e98ccff8e038068c26d1c443eec8",
    "signature": "0x6f3e51560f61dc34db53b022e98288f5c2ce570c717c1c6d05c97a5e1760addc4bda37b3a119361dc44f33b6186e22ac48fc214a72809d387ec56e583ed3b6c91c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}