{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "323009",
    "entityType": "User",
    "nonce": "0x04bb7bc8136622aee02c16e23ebb6dd7caa6964cd7aa2c3fdb0ce54bfbca6983",
    "signature": "0x3bbc475737e246689fd0d685ce79eb2841d48b47c8cb3c6b6df977c014d8a03d7107406fab07e99d4aa4cc37d40a4f18a0d74415e328c52e6d1309474778d9901b",
    "signer": "0x227c6D4cdFc19155a5212Bc082E6079835436E1e",
    "userId": "94961"
  }
}