{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "166015",
    "entityType": "User",
    "nonce": "0xb9e985f4311175a3bf5bc53d5b7d99834a829ba92d901f22432be946811bf66e",
    "signature": "0x0083c20371d48ce7cce01e16704402bbe3b82ab6668b391175374e0f39acca487ba50b62a6960b08ce23d6786b458381e5113f1f798ff35ca8ff5e87b49b1e651c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}