{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "197209",
    "entityType": "User",
    "nonce": "0x1035c7db45b2aa49a392f53d77a123aaccb8bbdb4173a4f48b356a8927d974e0",
    "signature": "0x50381d7375e71ac26a0029a6e42fe5274e37e827ad870a424222707c8c24068e2d1883295bd285ff8692cbf76f161029160e2094af62e802db9bee6be8bd94941c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}