{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "97457",
    "entityType": "User",
    "nonce": "0x32ee266fb0cb9e77c35101c5482bb6de5845e89d87a6dd30c393ff18ea68f78a",
    "signature": "0x210b04895157d31286fbdb41554eece7b85cefc758987190d8a7b9d18e1a7b0f1bbbed0c9142e07a528b159c4448b597b07a5e02cf573ebadeb1c3028dfccea51c",
    "signer": "0xC75a276D0a36850045510B0483E737bCDd1F5E9b",
    "userId": "588125677"
  }
}