{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "170017",
    "entityType": "User",
    "nonce": "0x929778f77a9a666535d81e59efbaeb9520326cb346d3fcb76a56dfbd4fb9f4c7",
    "signature": "0x6976a1e0b6e9ac1446ed669e2e9b59168fcb5fa064aa94f7e1afaaff056305d15fd426fb369ff84a31cbb5269d9c115f6f4943614fc474e1d84f6b579b8917131b",
    "signer": "0x8739aB96B52ccc56d0E5226Ff69659162d4269A9",
    "userId": "320952162"
  }
}