{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x085e97fa83d8826f4c4e6e3123b3d6254aa63b7c0e041b316f146972cb15b496",
    "signature": "0x765ee39c503b22d9331db03f2e6c0f30dbc8061b72aa2d0eb97ed129320b97de3570268f7a045bf6e378d03ad85b7caf509c448f293e466a7e048a7ce7fe7b2b1b",
    "signer": "0x2d1433997Bc600d9CAEb07397d001FF5797b4070",
    "userId": "797418792"
  }
}