{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "104222",
    "entityType": "User",
    "nonce": "0x4a1e8cb80bf337aa9e7e7b56319a586f6fc10a7071585602fdb38214989c2a30",
    "signature": "0x3a91161e400d62afd8bed500ceeb91fde8bf010ca126678f7662b46ec792ce61631c2f9c66ea807f7488cbb9ac31248675b1b4583cd468939abc3c1a46b118b71c",
    "signer": "0x375963f281CEdF4D9D180496F80A256D574daBa2",
    "userId": "981824750"
  }
}