{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "182733",
    "entityType": "User",
    "nonce": "0xf7d81b34ab93aee439ef0978c3a1212fc19f7150130bf4449637d87453dea3a2",
    "signature": "0xd263da4643e8e85b3107c0d17860c762c83f75043659a846939a360bacb4c2167a83bc7a16e0ff366d8bad0dbe9477f607fbdf7473c407f3cdc0231f73e9b1df1c",
    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}