{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "114567",
    "entityType": "User",
    "nonce": "0xea7433a8ea985d5af5322bcd2fbd9e2f6f3c2c3ff770b27b5b6c979db6a7eccd",
    "signature": "0x939bf78039480c08c817a9da5fd652b17052fba9548060fe78b431a57346ee53269d996ba059989e78b5cea4c67f8b6273ffce6895d5443edc384123cdf116811c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}