{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "357414",
    "entityType": "User",
    "nonce": "0x9e0e07cfb44e01b0acb602c96a4eecfbde60a789e263956d5d050ec61d6be912",
    "signature": "0x423dd077fde0e1570a3a76efb0660837b11efe7bc5f529893b5179416138048031177ccff0fe023cc2582f3c8fd80ef648e9866dc7955142efc9fb2f20d282101c",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "175162"
  }
}