{
  "manageEntity": {
    "action": "Repost",
    "entityId": "454283",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x634ef96591f0b8fc761fbac5a0f04d2e74aca4d16aaa3c976563b59dba48c1b3",
    "signature": "0x268cb49cc4a1898fa82036f069b3f93ba08e1c98fb2805899642604f9407ef34040d947020ee77819aa204eecaead255bebcffa6eaf4163fc5db692f5ac1bf9f1c",
    "signer": "0xa185Ff45de6FF68eAa1d7ceC338cba250810134c",
    "userId": "54166466"
  }
}