{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1511361",
    "entityType": "User",
    "nonce": "0x63074347bef540ca8ec61dc875f6e28e4eb8505d0258bd6c65af7d3d3d426b03",
    "signature": "0xc530ffb27beee56fc46a2beaf266007b7bb55269d4f7ca41accacedf3b7d58a55401c5cef247991113f235d225dbde50dc29e5555e5e066a9acab1bf6ec1cd751b",
    "signer": "0xdB791822A11f5aDc830669bdADa8121a4558D7A3",
    "userId": "347139808"
  }
}