{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317288",
    "entityType": "User",
    "nonce": "0x393560e50da4855a51578c79d5b476d9e0cc839a87e8e087043e46ce90ca7de0",
    "signature": "0x3fcad7ec5f5002d186da6e852ed22b819d9feac102f0a93c16fabb19e33440b27c007ddf8cd9ea7aae19645bd1349939008f0e5984e16dcc3d0c4c52702bf0141b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}