{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "141261",
    "entityType": "User",
    "nonce": "0xe44f21116b0cad06f46752694428e4067aba1abb3a90cb5bc932b50aff7cc6e5",
    "signature": "0x51c6d14f3ccba9ade19c6b34039afdcbb4bd71f2390cac8261fd832e8b9d856f679707e6da97ae3f339db9163675539cad36e8cef183fdafc88d9ca77641d97b1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}