{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "344072268",
    "entityType": "User",
    "nonce": "0x20d87bafa548761083f90a33d31563147c584f957370f533186d76748a01a3bb",
    "signature": "0xaaaa0ecf78c2864ed862aaa9b9828d77eda7007f0b8981ca7a640b866f50b1011f31cce78a90d2cfd7d54cf04585f1fa152fdf866000dcffb9504c1d3ce2ad631c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}