{
  "manageEntity": {
    "action": "Repost",
    "entityId": "548719",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x618e86ccee3652e6bb8d9a3de889740ee73e75377c07bab694f402d85924583e",
    "signature": "0xc03da84a108b7fc031b169d53f3ffb8e055f1d4c2e6ca65515e5e62b874bf7b1150cdbf0861e117ca25088211d1a914d2bc30734d43d5547956f2826e01e93111b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}