{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48573",
    "entityType": "User",
    "nonce": "0xcf7b6a28eb4044ee4e57dc0cced3b0e5fd9590d29790d67fe920fb6df91653f7",
    "signature": "0xc469449595beebfa56674db3ab565f427b7a51558a490631b41858afeb0a77dd0efcc03c0d59ca77687c609bd0c95f747c5c66f6e1b939945c38a1d8a6816af81c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}