{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "286160",
    "entityType": "User",
    "nonce": "0x96eb8fd87744c2a27eda0861b162cbdeaa4548eaae680a1a4dc4202aa85a7b68",
    "signature": "0x458acc2eeee5fe8a01901461d9763ba8b321dde15d00a2bcf37bfb42c1efcf2b4cb03c644257254b9a253cd1f73cb31082fe29be5ccc94bd2579b670863e2cef1b",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}