{
  "manageEntity": {
    "action": "Repost",
    "entityId": "553878",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe04030dea8237ab0834ca6799410357f97e8a395f31539bed4c50e0f95fe1947",
    "signature": "0x7303b22d1a90d5e05e2d453a1bc4ead7251d34a65287918e8d80c7a8f395572339cfbf673ab3f8026bd2f8927434dbc6b93abf100a9ba013725b4ef3c107827b1b",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}