{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x4e70cc52ed85f50938ed8482dfb8a1bdebb755986bde6fff213e344a313c4b78",
    "signature": "0x47802f011fbbef45a0d901d11fe64a2e8c9b14e5496090f5ed53e64574d0174a68cab09a2d37baadd6377aef3aff3b2ba78b67e485446edc37da1797fc5449721b",
    "signer": "0x50Fa68E2236737fa15f471F72A9AD1Ea99870D8c",
    "userId": "336906"
  }
}