{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "137362",
    "entityType": "User",
    "nonce": "0x2138b5c8b772ff145295c5727505e50a808086e909ab0a224bd0d58965ccdfe0",
    "signature": "0xdbb5c2dd90598ad00a3093e7c9f4b76974186cafe541522b81890ab5a57c9a167a3f40b057c67052b9259430405905adebd351c2ac3ce83fb19e277e02a715e11c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}