{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "719468",
    "entityType": "User",
    "nonce": "0xac5832279b2f840575d3430bbf3604dcce8478b46d056acfc5e677f9a84eb48e",
    "signature": "0x5c7d849170d3e01d294b93462622fc898670756212bf4775f8708d912f922bce44ed868f0a36077f5c3d0b1c5dc24eaf86fdc7e8a7d1e7fd226dbeb3974040041c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}