{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "326584",
    "entityType": "User",
    "nonce": "0xfa7bd4a4710a1529aa54bbf69cdf1ac89c7bb86d13f08b533ee3f54aa5f91640",
    "signature": "0x18757c6bc905bad766eb141981605f5e1d23ab21a271456a33d42fa6574904e62a3e8018b36f34e2066352df7a23aa9dfac45818e0203f7cf2e105b0921c8e4b1c",
    "signer": "0x07024945569e5721E4d506B01fB850443CF99F65",
    "userId": "871280797"
  }
}