{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "347461",
    "entityType": "User",
    "nonce": "0x86cfa2592d756d7c4287d715e68c0543adcff4403dcd5487dc3ef6e5e955d939",
    "signature": "0xfad5645f9b065f95b508ee62bd382d88c9368b8b7722f66b7e0cf2929aea8da2005e385ec07fbda944529fde244feb9073e875d1e46de438f23711eafd79204f1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}