{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42106",
    "entityType": "User",
    "nonce": "0x5fc923c5373ed7394268466dce06c8979ef19966a81bf01fc568351e40d11f5c",
    "signature": "0x0b3c640bd266247d25a8e931d3d97aae339588106deabef5f8768a5cfcfd4c1900427776e306660b711e8386e0f191154b615e00a00c893087b12fd8fc23ecbc1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}