{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1429398",
    "entityType": "User",
    "nonce": "0x8c94cd4d92abc5d3b078e3f72c0b4d56262c64b6110522293f9b755b847c4dcb",
    "signature": "0xaa6315c10f1be9f8d93fbff384281d818e1f599617a58c0302666233c2e9acc20d455a7318e8536da37828354d34fb9d7568bcee129086226cd3f06597fbe2cb1b",
    "signer": "0x97EC3C617a694b06E5b703206e8a911eA15c595d",
    "userId": "590549095"
  }
}