{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "842214964",
    "entityType": "User",
    "nonce": "0x623c8a0543283e3d1fa27d6c2247f3aaf7cd75e1c363cff5e28943775b0f0617",
    "signature": "0x4e30072c3368ccea7d7ecf6873037ea187e75e07a05c17be540fbc9ca27ba8a37bcd24c17a27eb9d06e6e6885d2024a9144bb66e2525a306e6e98c8c4dfd2ff41c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}