{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "778636969",
    "entityType": "User",
    "nonce": "0x2ef3d8428c98414bc5b0be7c51b30f0ed8cdc6197b3d5f51afcf725ebb218f63",
    "signature": "0x6da0be808354623adfdfd69f0b9463553df8824a084ec179e02582ad92c464e45185798582262a123acbab918b61f3f8af63ee0cad71c6779f72b2d14b074b991c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}