{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "707937",
    "entityType": "User",
    "nonce": "0x213359c46afa517756dd5814aac9b881d25599e0553db186442563eb6dcaa6e9",
    "signature": "0xc1af97f64efa2a5a9dcd3de078c6dfe998d8232c777a0f1ed36071ecd950f16e70f6d3def7fe870aa5347f0790ada05408e3b86497271b612c5d9e99b64aa97d1b",
    "signer": "0xaFdEC27229de1023f5322f4Dbf0e874dC548011F",
    "userId": "817564020"
  }
}