{
  "manageEntity": {
    "action": "Repost",
    "entityId": "531041",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3b6fabeea3bcce1cf6b353761b22d53f16daaf93cc58c03717a9d64b2868945b",
    "signature": "0x18553b8993943c1de8eb3694e54be66f417d458ada4c580fbab03c0b2e75080a4325721a39bb9ea121553053a789b14d3d05215747b722ae07902d4de2a8dbf01c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}