{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb4ad030ded061b53bb2239a9a87fdf1d16e8d6dfb6baadcf6705a3099f18bead",
    "signature": "0x6c10962f9449b66f4606bd6d0b82870887f68e1f2c1c0a58b7f3c62359e849804522a8b11883e43e0fdcc68a1ed05e762a8d3e1da32cb0aaf859baf0a0773a691b",
    "signer": "0x0685dE64d6C1DD2F4492DE8d4D836Bde25c77910",
    "userId": "392433914"
  }
}