{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954705651",
    "entityType": "User",
    "nonce": "0x1cd6d52959d501cfef99187d700786f927f156413755b0f1592c7407e8b69428",
    "signature": "0xa7352be53a5d978d05acbe263540cccd05e61945115ebfd9a91d686b731d4e7b3a430ad6c066e7442b5072304219aa389a8649665f027bbc33bc88353341257d1b",
    "signer": "0x7662cb86A5Ab2f46DF58d87368873d0f07FbC1Ca",
    "userId": "875856435"
  }
}