{
  "manageEntity": {
    "action": "Repost",
    "entityId": "454003",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8891ba36e58326afec3b8ba4ba8e6b85b84cc036daa63cc847b316ca84125c45",
    "signature": "0xab12503adde542cb9410e6895e798ed616563e5a38fce78b961fd441278c29464b11e8af6547497cd5a136e77609e386dca3a6806b4449082aeb0b2a93c39a2f1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}