{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9962",
    "entityType": "User",
    "nonce": "0x7451642d593461adb5c92f6050457e5145e1aa88d5b037c891899483f21b47d1",
    "signature": "0x98c85443e76383a53c5c363e0f5ddff4ca3cac06851d04faef88cf4ecb586572327092f71dc2f251e721ff2721a287b7ca882d432aa14a03a61f77cc91fc83091b",
    "signer": "0x195d9eE11400245E841C02c4b4288a90A8195e91",
    "userId": "103785872"
  }
}