{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xaad2b8949744d079659d8ab982f631678f1b151368a4bae5844190bb8a835a83",
    "signature": "0xaf2ab1790c7f6b3331efea0681e6491f2952e6935ab053b5cddac827881c7391014e639947e11ea3a67e06c89ca0c91d36a9f3781c43aa9d2676cd59d0bcb9871b",
    "signer": "0x2d5255E59daDec716c1c5685EEE02807Da66526C",
    "userId": "746193289"
  }
}