{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "951116729",
    "entityType": "User",
    "nonce": "0x5df3f149e6e38f034ac412e08b1164787d18c49b3811be3a003f396f9c8de289",
    "signature": "0x2f400301758690b32826b96e67a14841bb85f2c5b7759e89f23abe56ae63a7f66ffcdc1bd9e2d9b20bf1c010df00329608f3a64ee13204a0fb57f41d9edbf5491c",
    "signer": "0x91A0243d0c4b44cB682cB60883cB72C26a8Eda55",
    "userId": "298293683"
  }
}