{
  "manageEntity": {
    "action": "Repost",
    "entityId": "615431",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x93a511ff30bb40cb571f119949d89c2a99f15872db8656f55b05cd7b1b3d7881",
    "signature": "0xccf1d7367a38730d8c8b857b3a34c90cc4544018b83179fa8ed223f81ff73fef5e417e3d4523226250312e25ae1a4e866d5fb4b09e2c85d42530f1186621cc551c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}