{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "133937",
    "entityType": "User",
    "nonce": "0x9d3f0698821304000ba0f7136b3de3e7bbb81229e61a61b89a3e7a13342281b0",
    "signature": "0x64b2ebd89b80de0e2590f2ad8aeadcd934792ca0dcc3a9b88acb735da52668600c99ca0f847d060b188f25539fd65138533ffd754a0ff86d0d606028cfba0f801c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}