{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "174144",
    "entityType": "User",
    "nonce": "0xff9b634ebe9353db78ee3248f01c4fc916a33ff470515e4e8f514600b37ac236",
    "signature": "0x8336c35c4bb2ea4043b2b1d0843d1634b48fc8b9e8a41baf2451179802531b083039228df5c8af11d8c03a63aa09530ee78325ebe6c17df51ff9d8eac58545641b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}