{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x2265b8dc6e42094244efe67ab5f7d7c9f71234755b4ac4fd8f7baf6ce3b9e5f5",
    "signature": "0x620dde0eff680a707413e67336bc7f51c62155eb7822e9b8a67433b0ae2640f722340a176f2b9ebcddd9231260e674f31972139fdb0cb8d2ec858d1a492fd7e41b",
    "signer": "0xdD03ED106abBEF4982159500e32B8602B985a69B",
    "userId": "444965341"
  }
}