{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "433287814",
    "entityType": "User",
    "nonce": "0x443dc85f54a5d0dc18f3867e4a431a8f6448f7852778bda679fa619e78ad4907",
    "signature": "0x897beb3f2b69a2af7d194ef3cb36225a9cae8aa3f51e869b067c0f8f58768af7456545754e537f21ce54b575c3bc5cd366b50821ed3af48054402ea94ace7b4a1c",
    "signer": "0xD967b68365738013c9197659aAb46EB73a488080",
    "userId": "488430169"
  }
}