{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2112641074",
    "entityType": "Event",
    "nonce": "0x23bd20da7ea7e884ac74bbfe6aec34c4c5ad0c911da8b2d1d7f6cde1cf7213fd",
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    "signer": "0xfA312c21ff017c372A1EbeAc437819C9d8D00Cfe",
    "userId": "243061026"
  }
}