{
  "manageEntity": {
    "action": "Repost",
    "entityId": "538037690",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x018c83611b29560cebe5c74bdf437a2f9c0d1e763a1e7fabfbcfafc97b6979d9",
    "signature": "0xf3228093f86956f06f05d58249a778c0f16751d1aacc73fec877de23093adea879fad690dceafdc1884c7907a7bbf63f3d92a0e11be131744efc3d72c1a4d2da1c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}