{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "133726",
    "entityType": "User",
    "nonce": "0xb31bd707713033f134319285930a317f04c61e9c67579a0b75798affdb09073f",
    "signature": "0x240229122207f8c53c49809e466161456f74d63f8a2e0ce87aad98e99ca3d7545a1752c08cedae20b9720d2dd9edecb3f85137a3f794ce610b1ccdd0feaefba01b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}