{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "420647095",
    "entityType": "User",
    "nonce": "0x0cbadceda0f738897beb3b064d94f097ae51b23cd7d6c652b170bfd6e7b112f2",
    "signature": "0xc1d4e1f06ada65a82715ce297ae8d40b2a41923282b15fd3535af89ad610b80d7ccb24b625c452db0624884c8a89af0247dc0b04509932dba3623d3fbee18f621b",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}