{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "339380",
    "entityType": "User",
    "nonce": "0xd095784e808e5f835faa56781801adfb6bbbc2d715e47b37ae9aba0f8f666ba7",
    "signature": "0x8307d3fcc5fd42f5eea38d6137ed4943f7e489a62660f3bae7cfef3c696a893f09dd166824b7baf32fea0181bcd8e115ada88f98e3387e654aee7efc6c40bcd91c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}