{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1478769857",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc7352e81d8198db9ab7d887aa56871740a03dddb9a46eac745cd54cdaff2b5a6",
    "signature": "0x87538a546c854c5a288813ca93523fee85be82f20fc937343519f896d8017ff63c5143d78c958d2834f38d12a8aae59ed2407d71a7d18f180b11667f4f76eaf11b",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}