{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100267",
    "entityType": "User",
    "nonce": "0x3685e6a54178c2682757c3a75ddf386027fac79c31bd811f092bde1cb466571d",
    "signature": "0x6e09642f0fc53cd7ffd902781a5cc78ba1fb47ff052fcd918be13c728490ac4865a620a1ca77b71973a0b3035a0114a3489845d5888f058b5b3ebeeb48a0e9491c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}