{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0xc306b998ff053a09634e8dd0fc83027988a25bd2e77fb27acb8685eced714d93",
    "signature": "0x658d7e86b8a7c46930742a5fa07ff701f570abba80cef5660f5e89fa46fa63ae7b7d2792ff9a6b8c15af30f36c55774fd21a8f8e0daac928e86915073d8659871c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}