{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "326945",
    "entityType": "User",
    "nonce": "0x3f7ec244beff6f5861d627af5f54e97ba4021a614255c7e47e55062510d12bb0",
    "signature": "0x156e21e26491395acee9e6eda417291d3e336d41a45a8bcef24b10445b5ae1250197da03376c1157c2c6f7200a0170090f16aeec8314fc7a624d452e1f0e0c501c",
    "signer": "0xC3B8Db4fD6b5608e625Fc02e4e8B7a274B7dB687",
    "userId": "110486155"
  }
}