{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "765540152",
    "entityType": "User",
    "nonce": "0xdf6aefa5e18844067749c8b28251b7fb956407ba48c4287e223c404b09fcbc70",
    "signature": "0x0610e22dd5b2214b70b5f78496ead0bab1b799e638234b5ff0fa5c94be0b339878db2a1a3abc6ab42e66ec4ff3ba649fddf9ef44f3ee02d97d6b160e15cffb5b1c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}