{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "141782292",
    "entityType": "User",
    "nonce": "0x9cfaef298373580c97b39455dd4dc907d584264fe556f0e5f487446932066e15",
    "signature": "0xe480da574e4a01ac5f0d553cdc22970ceb182539c963c5f7176564fa0e072339234531c5cf53f77e0de7ac465b5c00e112c0bf700935e698e32fb3a6a6d0491c1b",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}