{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xe8b24e69d90a928a765894e8f755d6c659f48eae23b486285c47048e8b65f4f4",
    "signature": "0xdb907372023cb18159e79b389fb1f33018104802c49170ad29bb90d986e94b156650954a0c2a059aff973a831071ae52784d1f1af2b7dfc26d8aea360d14167e1c",
    "signer": "0x560c25f840686E42A1E3411caCD44cB949a80B4C",
    "userId": "384820289"
  }
}