{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x88797be41bea7456eb9072abfa6d20d8747636eb3e9ce30c54d5dfbda2383155",
    "signature": "0x23fbc440d18d68a03eea7142386d9d73c4ff91f991dda465a83a86b00a5fb21e48735f4885e14475adb9d0242c1fbfdbd1d7dd52dc3a434aaadcef81a76958a31b",
    "signer": "0x0590b47ce87A309D43795B76d4B2740d975f3596",
    "userId": "336202603"
  }
}