{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "704331284",
    "entityType": "User",
    "nonce": "0xd127a43d16690ed0742789548dd682ce7601914c2fa1daba05b8911f393a63a8",
    "signature": "0xc83717b1715cd13e4cef761154dc3c1e649f7cb788c70ebb885751af4194671250aa682ce53884c095352d0d60496651cb2785ff8276e5f542351c4113c1d8031b",
    "signer": "0x5aB8E7BCdBF3120cE6ea508aBC9831C5eF75c03b",
    "userId": "865921636"
  }
}