{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51978829",
    "entityType": "User",
    "nonce": "0xb8802e43b0034eaac5bb94f379f01b9f20afceff0a14e18af5cfd087e0ce8e27",
    "signature": "0x1089699f55c24bea1ed11961709c898c853ff7502beb26099abd700e178610263af1dbaf73bb531bedf9932d5a67fa4869876b349dfd73c9ed9687b1699d83e71c",
    "signer": "0xF40Be525727aa96Cf61609f0A493d9E677f73a33",
    "userId": "159460377"
  }
}