{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1556330613",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x575ef0420c38d76256b6d0ea6e40cbf8645d63600355b55a4bd65fbbed7a5219",
    "signature": "0x94bf7ca44ab560241ac30b205c6e202e04fbe997a311aaf26f97dad334cad57728973c784695626e4170528b96a6c0d405dbd598676b24523cd6e790b31520201c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}