{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "334115641",
    "entityType": "User",
    "nonce": "0xa9553ca1a46589adcd27fbd69908d62b15788af0f7511980a41e7ed563994063",
    "signature": "0xc41344f34c62f7c5fdd365f39095224e16544dec088802efcab1e5e23fa8e6585c7b97f15cb0114d7ff85bc47f772de1c2e79336bf7178bea3fe40cdc33477eb1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}