{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "341966",
    "entityType": "User",
    "nonce": "0x343510be84e15d463966d9dbe0d0b5a097aabbb4b8c2a04d3f8d00df5e10f2f9",
    "signature": "0xd33bda05dd449008c899ec5d56df99227d7250df41ec9f58720a8b7f21dc3ccd52277585ef50d717573c69b918ac8d0774d553db1c86ca4eccc66b0d65b480571b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}