{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xba0cbcbe6e54dbdf1ac07b9343a518f84b69fc237996328a887c99df30ed4db2",
    "signature": "0x3a14edf2e0378f8295ba63df4280cc61347a7d53d59943e854af4710e44967ba11c90fe2c950e91c6c14ac3c8e4c783a6632e8395c6f6d90d4b79ae22b1bc24e1b",
    "signer": "0x268959Dff88910274058055D0C4bC655982A1C29",
    "userId": "83873827"
  }
}