{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "208569",
    "entityType": "User",
    "nonce": "0x758dfa0cf8fd26dce51d2b2c083b31ac3ec5db9729552e4301b65b969446c52e",
    "signature": "0x9f54b6108a5f1e88eabb9011eca817bf133654655aed5fe109dddfffc5f9739b30007e6451f2807d36b66305409267752c6710a21c1cdeb9337f7b31bd3a469a1b",
    "signer": "0x91c1cB8b04749B3830411c3517704c393ecB16e3",
    "userId": "289388272"
  }
}