{
  "manageEntity": {
    "action": "Repost",
    "entityId": "587618520",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x673920cc4595c9d0c624214b778f5056a69598b1792f2a3d355a8611a456df2a",
    "signature": "0xb22fa61d4dd001788337a8899d1a25f13fe022968397f6f0cef98d5c5cf3a05008e53d09763983f91665f59050b57a2384f18b302bb3796059f51d569c25f2d21c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}