{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1694336",
    "entityType": "User",
    "nonce": "0x028f7b2bebb4160cac75d8485c299005ec0d3f47c14309cf3db03ef2b033e63b",
    "signature": "0xf86aa0b767f0d0ad16bda16a4574bb1f4f2b3097e9a31a143392cf59331054ff4ff0211e4d7ff3e88807ac0755754fc26d7dea131535272ef24f9905a4d797621b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}