{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1388139281",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe43540ba03dc9eaeec529681f9f9fb4c9d9dd07fd7c45565b0384ea7baf215a3",
    "signature": "0xe47852c9b31491b8f4d04a0a40629f3db1f7bf8db0c57c61e15610236d3edadc09fae9506aa7609d4046e9507828e131756fbb793c9ee2d5a26a9e9998479e971b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}