{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "320133807",
    "entityType": "User",
    "nonce": "0xa4a444fd7fe9defc187885e6ba12923dd6a7e3b0a6c28ad115aa57ee03354244",
    "signature": "0x6a0e6fba4eb5593b322b0b292af506193368f552826327f53a8484300333150e4deafa2d6ebbba3b8a9dcae083952a830d9679c389c3b5c404e3d8f9633b9e5f1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}