{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1575278",
    "entityType": "User",
    "nonce": "0x0192e03188d746388678107f5c36341990b35e1ebee70793c2130745d4014e64",
    "signature": "0x03f33891eba50449492529580848cea57da0cc3c07738066a474da29a316406d337ec3188c3931ed4ff750eb97774f1fbc9dcc56b39a7c4484b1f9d5ca760ffe1c",
    "signer": "0x65b2681094e762CAD2349e6C1e2FbC8d54b9c046",
    "userId": "11153747"
  }
}