{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "914813998",
    "entityType": "User",
    "nonce": "0x1e6fd954b9a71739602af8cd58bca4282edb13f0659111ce81c085e9394053d7",
    "signature": "0x8141fb5024a0c4c93350ff17b3f1a52fef021df4ddab110faeec04a6c483731264f32512d60b6d72c106187269b874e4221e414fae1ba5dde1c1c1c87a762e8c1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}