{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5a05c1135214b8bd766f929d47dd2fe9b5dfca5e25f580fc7688326a0cceca2c",
    "signature": "0xa0da6836681950e8317e8e7e1a097733737b61307858e262fb30cd4dc6498e6430161f5660f4f5bf7ff2260b2d1eb943c97d5116b47cbfec0c50bb21562561401b",
    "signer": "0x9d7C46d9b83c89Cb8079993d3E5EC98DD04dB168",
    "userId": "775162906"
  }
}