{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "156881",
    "entityType": "User",
    "nonce": "0x130e70b6f92d6079c521c8305751978cc9db6100dedd49da362b096b50c0986a",
    "signature": "0x23e09a0ae393a9909e96dad5273a745d6aa08fc30b4fa20fe64bcb42d843823a394e7368af4557ce937dafc3cf848aa23661396c6c58320510367fe4de3a25291b",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}