{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105672612",
    "entityType": "User",
    "nonce": "0xcb9e9d9ce0087ef0eeef5dba8f6e5a28f5f7b43e7eda6bde30b2613a3e5f8952",
    "signature": "0x724bd92bed8c5522b8fa611957fb9a7475d9e631ecad27632f687289f0e8f9461e0cc9b0f4cef34bc7283cc0a971072989d40ce7d984c15c0eb1ef5020b9297b1c",
    "signer": "0x65b2681094e762CAD2349e6C1e2FbC8d54b9c046",
    "userId": "11153747"
  }
}