{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52762",
    "entityType": "User",
    "nonce": "0x2cd0d5f46e9f33f3a2da31f7e9765abe802af079c989baea171a34a49a127811",
    "signature": "0x3007b5734b8cc72c9123a03b3a57fab9bf4b2149d08f7bc7eba7eabf8f0b4c6c5515bc3f09fefdaf1366868319f7cf50c92521c30d709696a629dd1966a6a6361b",
    "signer": "0x2F7db4C1AE3922aD0f32CEdED1870278dd17b64b",
    "userId": "467213409"
  }
}