{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1298294405",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd438f772a0ca10b41e2f1872575a2c3baf7b7072b3dba19d329c3efac2d09c03",
    "signature": "0x548b74aae09df29e71c1d5da4e39cc711cf3ee8ea74d201091f47ae9ff6849af645e9ee1b9e8af82c5f65825da68973122160f5b5df107fd6f3c9d6bfa2c25b41b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}