{
  "manageEntity": {
    "action": "Update",
    "entityId": "38604443",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera42a3q7qnfuwsltt6r5gvqr6luu23igduizn7szxvusdyeu6yy7ga\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[]}}}",
    "nonce": "0x57a6d094558d231395bc63e77e44bc8f107fecd7fb980bd14ea87518a2af0b4e",
    "signature": "0xbbed73d4c6754d7881bb9c62cca6ed26539d6bc8c471b5f7b392e80534bba1f74db2534708657ff904f0c033ae8da97bfdd57cf44c0e1096fbd3f44786636fe81b",
    "signer": "0xC3194a287aEDb0AB369515DBfC4D530d08Ca8877",
    "userId": "38604443"
  }
}