{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "80876",
    "entityType": "User",
    "nonce": "0x9337c61fc137243644ee5b974d7c736a61ae12ad61e66ea0c8504fd23d51327b",
    "signature": "0x9781360d55a29c815f7ebb4191e47193a5330879bf49d40d7cc3c6fd51bb7aff5411bc1a17d442094e166c1c3d0e617bd08dbab5556ced7d4873db11812f20881c",
    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}