{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "267813348",
    "entityType": "User",
    "nonce": "0xd3148a3407a4b42a8d8b7bd90b013385ec7321548f35b03a3996539479df68c2",
    "signature": "0xb5afe2accd2783d7311446a1d61c13c4ccdc6ebb1b94c142ae9cb40c75208b985e4874f21f9e06472766b4346782a5cda01b7812979f6dfbd78db9b81127c9461c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}