{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "446645802",
    "entityType": "User",
    "nonce": "0xf81c1321d2c11f5a4f8979d1437f1ed329ad7b532095e9105660c9219fe8410f",
    "signature": "0xbc1c175cefed6433c5b58318874037cb0b682618633309fee2b2224bf986cde600ac10dff3d4b476e4f4b0188f8b74ced0d4fba00e62335de456c6010066dd721b",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}