{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55875",
    "entityType": "User",
    "nonce": "0x1ccc2226ba5f1cebc335c966965a2458a737f8ed92b7dadc96340c348f348e1f",
    "signature": "0x2ab1a20dcc370fb5f660ace53825b0822d1f5354dc4555f204e3a80fb1799fd01377999bfa6d3c7cbc74f0e9425ff5be944fdaaf74d0d5cf181c1b03c9be3ffb1c",
    "signer": "0xd41Af68ef04Ef65877a44995C9A9b85A4493eDBf",
    "userId": "732384438"
  }
}