{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "116387",
    "entityType": "User",
    "nonce": "0x400f79cfa4455eff8ca7f858f36ddbe9e7eb69fb2f87eff0a9a026df8582cec3",
    "signature": "0x069d1faad92f979b90f28fa796bea3087d0731f7201b549c166ea6a4b1f61a7a77259f68bf559791248d32fd349d4a26f0c519d879cc92f9ec939ed71084af251c",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}