{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "116723",
    "entityType": "User",
    "nonce": "0x0094b496753db18e4c4d645078e96c7b6e1ec9119241c3a47b31c8be0294e243",
    "signature": "0x428aee8a33128213179ff7c1459aa9984906408fb7d2bbbf2baf8a15f853cf5b26ea99dfc823c2b1209b8a2b5b3181ecad3ae1c3e23c5ed4a6985fe12c70228a1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}