{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x183b1e3cca08d333c1968f787511e99d39ceef8751baafd6960ea7cba6d80d52",
    "signature": "0xdc8d1b02a457ef7b56708690de05d417132065117d0011a05a9b2dc5d56f3e1a29aa34d637dd42c3277104134fcc3bf13c0d3f70b085007cf1ac8f6d2511a6b61c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}