{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1499408317",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0f4ffbc1f7b3998f5bfc3e0be7482b036bf95e5ed2d69415532be682f4454b2f",
    "signature": "0x657c3a916c8c7f34da690524c71e28727700c15804bf5bad8844cedff74c320655a63c623d0fa811cf64e475ecc46ffb9a5b065d928b8dd8efd06cd5b010600a1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}