{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0x49f55967eeed44fcd2dcdada7ecadb4b04ef20441fb93d88c389c2e654526018",
    "signature": "0x8177c0354824133992ce6ac8433006dcd44f751d08e6b7923468c7e8f550d17846fa137a33e8778f5cf5a539b604704604cd8b09ae0880d5d5a3a3a253130bf91b",
    "signer": "0xe270C91f9476B885124d6c0208211213dC10036a",
    "userId": "94825285"
  }
}