{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x20e423cbe509a7866db657041b5f4c38d189aea14178a0a7bbb1d4f2875577eb",
    "signature": "0xfcf63c7489bf9bc786cbf8893d80e6ee23240a3f9d79ce40448d4d3ed2bde1e06ab4ab4c5b06846b4351cb3a6b201832a4146ba06114851d5996945260a091e81b",
    "signer": "0xF6F9F433Ab5dDe3c96D63C2fFAa64b610599a410",
    "userId": "80682"
  }
}