{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "1887966",
    "entityType": "User",
    "nonce": "0x82f4a7450d1302e86bec557df2e5227d25638e70aa1f78e7398d5d6653c90b0d",
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    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}