{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486514977",
    "entityType": "User",
    "nonce": "0xda24afe4dfec195ba724c8b5625cdbac7934ee2383995d157fdf754d53c3ea68",
    "signature": "0x0b7ad4637e7f195e2e32d2b1a99a8e9fd018319e400037ce6e13698ee1039ee717d56b9922e1271d4c96810e5beeca5784885200d4e7c6b69ea5c4c4abc3143a1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}