{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56775",
    "entityType": "User",
    "nonce": "0xdcefbeafa093ec5565a61fb229968c85dcf5c57e77e3d0e50bc39cc7cbddfa03",
    "signature": "0x8dfce8f4c40fe89dd346eb7ffc720734ecc43db17ea343bd20a497b2d037602518190c3d3a8eec5ac613d70b31be22ce255b3e091f7d2898e0bccd8edc84b13f1c",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}