{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7716",
    "entityType": "User",
    "nonce": "0x3ac76a95708a5f4810e8f38c9e65c3ab3f462f83873ede0fedf290fb203ec4f9",
    "signature": "0xa7db6efdbdecfd2dbe78001ff460343ba88c43a762f0872a1dfdecef5c43008e6a43a35451dad6bf321312a4f4ec92742be2d28a76dfee7efc076b581d7dfeba1c",
    "signer": "0xB63c8A7B935b55823f383e8f19B6207FB6b31168",
    "userId": "330374208"
  }
}