{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136281578",
    "entityType": "User",
    "nonce": "0x21ecd112698afc84975f47737ff3693e9c7d59dd72d56bb941eb1b652cf150f4",
    "signature": "0x375f7d87181ac7e77e23e8837d605292847ab88fddbdfbb9a3ceee582ff70176129780887100c071f04ae4bb5fe142d980c354b300446126f476629473929cff1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}