{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "706933",
    "entityType": "User",
    "nonce": "0xbdefdab54befd4d5ccf45219ffcc1a1a6fc8fbc3d3f2ad35e2144bb9048669a9",
    "signature": "0x124459755c1cdc4d19c9842ba7e75ac1b10838083dad19b92b663fa69f77be0e4ce002ce98650962a841ea703213b5ffba3701c5057b7667d42921a5983b411e1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}