{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1510990301",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa6114b935e8ab490a3b49eb602ff9947d1fc4f1692f636eeb70c7b76209a3b47",
    "signature": "0x59113a183f4838b1325509b8a461ab1060b6e4c1590885a20e752a7d5f523b924a872b81cdf714a8b6a0fe67602ec6b8c375c09e8049f92aa8281b4877a623be1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}