{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17534",
    "entityType": "User",
    "nonce": "0xa39c4aedeea3cebf6cbc30d6aea77d070a2bcaa7cfcc644f90cdb38527fedae8",
    "signature": "0xd98abafc1b631aa4457c5a5763561337d773530eeb9aa47c48b8d0f732bd9363174749c43c861de72d1a748302dc3d5447975874406d5a20cc59d8d866df4d9c1c",
    "signer": "0x1f2c5f1AFe38dA342ab15fAF8d18205828256311",
    "userId": "686629381"
  }
}