{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1408614663",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4e20784542d22b0d00397cdef7da40d0d1a1fc26077c42442dd87bdf1ef58b0e",
    "signature": "0xa134cf3751454467737d88a7f770fce90bc1f24671488e5b9ddfe1d030184b986a91613592b2ca1367c3dc01afc12bc3f5eed0a7d5112b0e7cbed872543fbfd91b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}