{
  "manageEntity": {
    "action": "Repost",
    "entityId": "664158",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7d020d024f4f2b1a698a64376ca2ed135629e6f86be0fb22dbcfb82e5af669e7",
    "signature": "0x50271eb8979c2f83d0ac61abff588fa6162ccca4ecd0fd9e87a04250d996368f741ca66bebf4158848d72163f9c6ae53ca12f4591fe2349ffa94ebce1ce160861c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}