{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396472",
    "entityType": "User",
    "nonce": "0xacb19e39f2dd32d34f4dd257404705539d7135df73235451560912d107fd7055",
    "signature": "0x7d893ecb58b843a70bd7968ca44fc736f36cd6441b44c8c4ab2267256a936eaa74eb29d79d0b6699492c9c65ebb9d9e7b6cebd775802afd75e34d707a8fb0cd31b",
    "signer": "0x63762Ba099c2247aD3755af8aCb1d62705f0D5CC",
    "userId": "851444561"
  }
}