{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "443101282",
    "entityType": "User",
    "nonce": "0xc5196bf0ccb106a87c2720f7af1b05618466ebcfa3ed4a9e8d852ecbe55b8627",
    "signature": "0x05ee09687741207d83cc14ade7949fae2e27b15969771ef839fe69ae902a9cac07d6aff9792cf81b1e33a324506897a794ef13c1cd6d1c9b97bf5027485235681c",
    "signer": "0x3e16afFf69eC32202c1B755Ad919C7aA325B7aBE",
    "userId": "902811065"
  }
}