{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1503116128",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x19eaeede9078e6d2c18844ff561a02365631168d1f83179652263a11893c2b4c",
    "signature": "0x29110706fcabd2224ca389e1e54cd0831b921f2f3c02e114ce4419c618d1830b2f27a1653c91cc497a5ba16fe58beb94244cfa2a214d5d1a789b348dca9ec58e1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}