{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0x69b4df2b8a8d31e494269f02c5463ff981c0d7488830d412e0fc936e991f2d62",
    "signature": "0xf4b47124bd24c7878e68f6f509b8e3d248ede6cf083cf49e9cbbdd2aa6476c955f1c8128f836c90d21e0c62c5b5b77c2f4e6a7f16727b6668a16d78fbed725021c",
    "signer": "0x62324Eb72309F5d66CBd77B06173F034B71d7b85",
    "userId": "23238037"
  }
}