{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40198",
    "entityType": "User",
    "nonce": "0x181d46ce7b4059bf84cec13aeaafb1353fd8309113be41fd23e9ef31b0b62de5",
    "signature": "0xfd1e074245ba5f7e630277703ff2ebbbe2ae857bcc7419bf32d1ecc7968dd74e1b917d7b9ba0e765e40fd32011e1a91d0f398bd5bb01dc3a14f1d8a6a9e0a8ba1b",
    "signer": "0xC3B8Db4fD6b5608e625Fc02e4e8B7a274B7dB687",
    "userId": "110486155"
  }
}