{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "757179",
    "entityType": "User",
    "nonce": "0xe60f19d01d97bfdae2f70ff84fdddb9b342d6727fa1e214ed059dcbea550dfb0",
    "signature": "0xc061b4314d086295ab4bdbce8c3e042a4895ff51eaadd6397b62d76ba356879323913d55e5598edcb74c01bc236d096eb97330167a264fbb4b061f86d955699d1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}