{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "294330",
    "entityType": "User",
    "nonce": "0xf22f283430f16a6bc62bd8bdc26fc0f69c853b2c22321d1075edb382bd2177df",
    "signature": "0xac1d391808628e36df1b6c03007a7abee17fb03cd2783a4ae3757e60bc13ca4b0081f31b58a78a29f472e27428155485d69f4c1f330a1b63ab6b3d1b9c30ea201b",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}