{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146869",
    "entityType": "User",
    "nonce": "0xce9731eba3a0186289966a7b9b2c6a2a96509140ab817a017faf0261bb6bb431",
    "signature": "0x9091945a01da8e6d6772d75a840788352b4cf3bc5dff3d2c51935321d3a42f084eaf1203ec2b949f75e54775df667a8dac2019ab75e8b6f2d69f7adf74fcbe401b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}