{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x908a6279b1d549215d43c37dd01bcb6448af8680bd499d02aa433bf2e70674c5",
    "signature": "0x4038811ec7224d3604e274ce8af1c0a375d9f9a1f826d2dee4a14473eb1e032e2d6606edfd1bb557b73a1165cdf660fe776aee77425b630b392d5e0516c1bc131b",
    "signer": "0x52C54744FeC93B156A460Db7FccF10e22b6FEdf0",
    "userId": "194963084"
  }
}