{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "142838085",
    "entityType": "User",
    "nonce": "0x23835d1e29cf01803d6d98cdfffa7e08292dc474dd7bf5c4ad95e0be5688be5d",
    "signature": "0xe5c5496039512b9813ce35291ef3511bcd2f6ae8f4847019afd50f54942551c603830bba554715916f05dd816bcf1d74d67937453f86c77841881e9d91113f9f1b",
    "signer": "0x6965Aa9ec89F0ab44c5241159D2188d7b83c1D25",
    "userId": "278763919"
  }
}