{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27669",
    "entityType": "User",
    "nonce": "0x54dc7b949052d239633550f79b0f8a3e399e9566ccdc8911df9f52db99c61120",
    "signature": "0x11a3ff025a2624137bb79a5f5e98b1117eb2b77df246476d162520f3b31434b800a21a661ba5d200ac51dccf28a0ab4ce452171c595167939f65c2074634105f1b",
    "signer": "0xA7D206a8f2b63986B1Af437a01CFbCDCcE69601e",
    "userId": "856769027"
  }
}