{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329513359",
    "entityType": "User",
    "nonce": "0x9df3ef1d8c9a17a875ee00a377bb23096e6ddeb0922a524284852e0564381822",
    "signature": "0x1890020e3f3fd61a97531ec578c424a8ec4a331b6850933e68a0c8a932f8b9af44270f257b4681f8d67814f87714d66edf43876584bdb6e8cc8ba95af5d777751b",
    "signer": "0x46C85bbd3c0c697Ac1Ab2Eb3c8684cB5b8Ef7ecD",
    "userId": "368331039"
  }
}