{
  "manageEntity": {
    "action": "Repost",
    "entityId": "290903654",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xaa13117129b6fd2f4475136d034154bac67ca61b486fac9f6fd6f230fa3e4fd8",
    "signature": "0x4d087cd2c36133048f6e9a34b2da69b74050221fa7e4bf9fb8b20f6b7c7c9a4857c1f429680e2625ea9d0e9bfca2b4d5c054f9aa45101c10f23d1c523ee0951f1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}