{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "669534025",
    "entityType": "User",
    "nonce": "0x09e5107d9a669bbcff8d966172d36a47b266f92fb02cd71fdb2e4f9083cbc720",
    "signature": "0x4134b0eefc9913e157ba1b63a68887bc6b682c47e6ac091f06125e2854a935110887f2ce51c1966c23e05b107747ca67b832aa0e615aa8a195d7dc0aa967541e1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}