{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49313",
    "entityType": "User",
    "nonce": "0x7ea817575fefa086996278a45c56d74ab970e6b1d457418ad9c236f758fb1210",
    "signature": "0x109efd0dc058ab9fdbfeab267ad4911f3b3395d7e7e5246a78e13e799f1a11b06fc6e1041b25935f6457a87512c6cbcb107ee5bd9d885364f45cc28f227c3d471c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}