{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "894",
    "entityType": "User",
    "nonce": "0x56554a389de995c53b00024db848cc62e3caabdee9cf03b190156b24e231cd4d",
    "signature": "0x468dc1ae17f299495822fc59c8d2f5717078fdd5127f646ff415e9297da7d8c04f8bde3a1b781d586cf79e61021075680204c29b5a6702186cc98a5ae693e4211c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}