{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59543",
    "entityType": "User",
    "nonce": "0x27f9ba1643567b9f8c01a2c253da583a2f3077e8776214dc35e5dd5d635d34cb",
    "signature": "0x057390a49bfd9358d4f93b5d4bfe1b5400a9b569db6278cb26044a321328e63510bc3b780163f2c7c49d7595c1d5c43eb4ae6a584fb2317a857a2c9c607e69dd1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}