{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "613311683",
    "entityType": "User",
    "nonce": "0x8e6253888e3e2ccfecb09eaaa34f0c7041b63218f0b77a46290766ea6ded2195",
    "signature": "0x4bc164b1e87a02fe892051e4d3e59b9adeadf53bd6d68077048cc4782ab7828d5725f2004f703fe841a0f799820294ca9c0861a2233cc48c4d485c018d469c671b",
    "signer": "0x6015AC6ad37b0328C10a529E70348751FE8ffF41",
    "userId": "176201"
  }
}