{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf2445bca444bebbf7c91758aa77069cdcf1aa2fa71cbf42bfdf10bc7a8ef3b3c",
    "signature": "0x9b699fd269d9568cdea71245a790bf9356637d765045dd6cafd87b8f3f8d261e554d009a9ab86c507f06d76f012668b6f79049b1dce770ebf19e98da9ad02da71c",
    "signer": "0x2D318cbd2a700036101dcCB4a65e4D9a0A19Bea2",
    "userId": "785729248"
  }
}