{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "169625",
    "entityType": "User",
    "nonce": "0xc921dc22da24241fda38d735368eed23a55d05daf67a8066e3f8cb8f0f412dbf",
    "signature": "0x21b0f03f9409e18caa76334766aa42750574921ff627029f52912e454c7a0b6128ea5acec585c6da464db7758cafb55c26fd4bd496503db54347ba3ec37624051c",
    "signer": "0xa0e7bc51dB8029B4a47DCb7bC620654B2dA7982E",
    "userId": "760921899"
  }
}