{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x75457c9990d3a2efbb2adb68465dc04f29b2e2e60c207a9d578d7d25e6f51a3f",
    "signature": "0x69250c29c1b1d2dfb673924bbf67bcf556c15cbad131c44fa747ff3dbcb6f5e728d68c1154bb5148485333048747af61c9f2de8c02e0c3c08d5ccd4a7c299c131b",
    "signer": "0x46B30f5c48F38c5B5829F645F00DC228533564Fc",
    "userId": "988550297"
  }
}