{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "15952",
    "entityType": "User",
    "nonce": "0x3c52bda793031799470880c548a4fb45ccc9962568e2b14ad215479d03cba388",
    "signature": "0xd86dc904a63e111020ca7201e63081561cf3a593b83b7be7d4ca7e0c475125984650f8b02dc01823343f8e3d9e5e49b65a4e52cc2031d1222a83d1be67ff6f1c1b",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}