{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "267513738",
    "entityType": "User",
    "nonce": "0x30a05f9f8347ba297e86ecdecd686f2fa3d200060ef02c8ebfc227f659fb3bc3",
    "signature": "0x7260275a6858e967e7271a2dea177993b62b5f57d6000a82f5ac49c994c1bcd96e32dfe4678a666ee0b1b461a20e9d02ef158fb9c59a327cd2029ffb73350f281c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}