{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "735980234",
    "entityType": "User",
    "nonce": "0x254c43893433c6d656caed098e8f07a6982874aff18ac7bd48bb819ef405deba",
    "signature": "0x327ad7df9ce4a3f27afb9e606d7a74ad1b2405b9373240ba0eba97b38a9defcf2e88683e88f0d229a8025c941e85c71b7bcebda16cfeccc28bc00510e51cd2ab1c",
    "signer": "0xa8E11aa224d2579f5cbdb912866bCE84Eb10f9dD",
    "userId": "951616224"
  }
}