{
  "manageEntity": {
    "action": "Repost",
    "entityId": "775700",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7c4f004daf575d2244e1c18da70ec4e0f05129de6ae4f3cb2dc9623640d2ccaf",
    "signature": "0xf5b26c998f70d10c12e0cb96c6928a25b9fb978cdb4ab7783b7d9b0952a5ef9246157d82f4443090bf6a005ddcbb2929060d4605f29ebd89a9200b10eb4297791b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}