{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9154",
    "entityType": "User",
    "nonce": "0x66dd9b6fe127d3bd46d3a7fdcda0816022b5bb729faab2b7d236050e96b84276",
    "signature": "0xe074991fcf03188cf0dea39857966125a5c5fcb64ab8bf7fbcf0dfa7f434ee4134bcb4394d51ff7dd42fee7d577470cf97ee38fbff13ff78da2ecc7327abd4d51b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}