{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfe7328e9e10bb5f88a7a7e9a7164c4ee80cca78f7f915cf7a02eed318e87b3d2",
    "signature": "0x417a88bcdf9991aa3cc23ce758c698b265249417076ff8bf43ee8e3b0155cfb649fe1654d2e35b2b355f01ddda29f9ef95b16dcbfc8c2ac321222e15394eea4d1c",
    "signer": "0x97CE54f824356168619DB7187EdA973c1110bDa7",
    "userId": "5958805"
  }
}