{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "152331",
    "entityType": "User",
    "nonce": "0xd504fec5004b2188532b503526b76faa3c4086821df71efd64608c6bfcef3feb",
    "signature": "0x2b47a9d94bb2dbf511043fcab02386bd8281601938f41c94ddc9d052d76d5960767b6643d3032efd87fd0167e6ba60a461395ba96248e5ffa40d99ae9fa73b761b",
    "signer": "0x03eBd76f03fee1b68d042AE492e5168848BEb443",
    "userId": "180170571"
  }
}