{
  "manageEntity": {
    "action": "Repost",
    "entityId": "5621",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd2fc0c5eb80759978efb1510e26de3ee643f426d2dd888ea8c7b6d091e93ab80",
    "signature": "0x8ba0ce98e22174c03fbda1c560f1c4cbabcf22fd8ddee15649ea13364bf1d3fd1980544959316d6a52788519f1697a8fb38a85ae4fc25a861e4647aa3cb22c341b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}