{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "735980234",
    "entityType": "User",
    "nonce": "0x8d1e0a25dd41b7f7f5e2fb35602281460bd19bfa41f3c8dadd81b6798d3af25d",
    "signature": "0xfd8a79224577684079f7df8a193fb843d9459012582ce77efa540a87dca18975508714f7cf0efbc5bcf027b1b3574ea6342e5af3f6f6022fd0920e9dc7273a881c",
    "signer": "0xF7628Ea36C0C266E289b7538b033fB949A6C31ff",
    "userId": "386745392"
  }
}