{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "191864",
    "entityType": "User",
    "nonce": "0xdfb44fb5a928f637e445adaa17b951dabac7440e5d3a6a6b1cdacc358ba7cf38",
    "signature": "0x3cac71efb0c70310e61ada04665168e82aceee41d036c616877ccb3b89408815483498e40a9633db72c0f4cf3c5cd81868a8ea84af87d80ae667c6025e9f07811b",
    "signer": "0x849b8180f084363b37768C823c174C9786020A66",
    "userId": "817339612"
  }
}