{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "88995",
    "entityType": "User",
    "nonce": "0x143fa5a38129b442d2378689a2b9af41091c1e1d8052a02c6e9920584411a04f",
    "signature": "0x23035cc79fbd94c8b30403ab15f6c30b63a47323b1febdd77a3bc917d07bdb50068a0e305a5306b14bcd46aa88c387af59d13547ee3e56ef5cb3bdb1dd4d80ce1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}