{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "371270",
    "entityType": "User",
    "nonce": "0x315f006d8fff48a91b042c9af8971cb362b6fde6974eaa2a9693af01bd91115b",
    "signature": "0x5515f948508b0224c6dbba84acf6a255210fa6390ccef05073f218778a3b35f96f1fbb60c4abde9e33d612bf3dfa0b8431cd3ae50c1089175d4ad4a521d018021c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}