{
  "manageEntity": {
    "action": "Repost",
    "entityId": "54569",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x54ffde09b4389e10b0578a2154d4da505127816d050f7478f6c959fa89c24af9",
    "signature": "0xc9ff398daa69d53035cefd76f7fe2750782637beaea08bfe8aaaa744db5c6127007d5007e16b46cd4418a37d3de3a5d0c788045ef681ee1638d84a85c00c5f621c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}