{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "106975",
    "entityType": "User",
    "nonce": "0x107ac36f2c1fbe8b79bf5d8790a7dbe336f1b96ba0565830de0fda427b8eaae6",
    "signature": "0x4b23672f933fb45e169c159c337af524944a7b4aba383afb7539a18591c87bd2199bc750c2d35dab65a43b3ee79aaab1fbdcad5bfa30fe5100d63211425510d41c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}