{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0xe3d85932dd0ac42ff523204e4eeb8fc2492e4b97bcf1d2ef653ce17773a8d15b",
    "signature": "0x774ead9d7d4c68d5d9202b3662965bbf8cdc261afe944127a64da8245bb8ee2151b5bd1ed25736510653c0e734ebddfdf87673c7c2e3ab00ffcbb4a1375376681c",
    "signer": "0x61C76C4Ba2B5e25fe39F45EF86dbC2749f46d77F",
    "userId": "183994"
  }
}