{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x296e175776afbe333c09425d0b4724858aabba273f2f608dba3369d74e1c25c2",
    "signature": "0x7d0b1ff7503fb27056b90ced0f603487faaf24dec525d300c6cd78a0cc3d7bd1644da2bb343c67c6cd3913044845fb6eccab086cb485cf7c32955af4bf5ff3d51c",
    "signer": "0x7e1632c8Ac2430F494d41DEEb842Ef79271d9576",
    "userId": "944718862"
  }
}