{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "414436117",
    "entityType": "User",
    "nonce": "0x68b56e7ab0ab486077237f7a0d64560244fc70e4778fb7411feb62bbb936192a",
    "signature": "0x94b7fb8bee3b74b506d8d7c4bcf4bdc8fe2ceb491cc43c68f6fb73dc700e56c5423d1d4789d319be45c01fed73f9f1b3a0511b478879e59d10e11e8513834a2b1c",
    "signer": "0x89310A18250B7c9e2984a608FC9375d61808f04A",
    "userId": "151684195"
  }
}