{
  "manageEntity": {
    "action": "Repost",
    "entityId": "587741",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5a9a5de1ee259026b1acf680ac3bc8523913cece27c308797c84bcd5ec42fd1e",
    "signature": "0x8f566d3a1672cb345e78fdba4c5cae9bb5193e0b0a67a49e43fc7ceeaa89ca581ff7943af36354a40cbf86cc14c26ecf82f9f3161c8ff2a46008ba512c7081b01b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}