{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5a8435457e97587d8ef07943c4d9f28f6478d4ee9268340d5a97721fc1f2a4f1",
    "signature": "0xf7cbe03fe453e357d770a32852bb90d624ea6f6ce23955df4b87bf76f8b77d8820d65c3d756af61587ecf90e63c666618743a631cea610dd6e056de97a352ee01b",
    "signer": "0x560b15Bb46cFE96005f96e262CA7b396ae107B37",
    "userId": "425332645"
  }
}