{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "379703",
    "entityType": "User",
    "nonce": "0x6ef80ee7f7b2fcc0b9d21f5f949cd6522d1691a4267b84567a36a1a66c810c29",
    "signature": "0x63cf963808bdcb255f1cea0cc76ac7bf56ab833703c6b34a378b0aa3aad9317f4d013e01b1cd3588a327ed52f17f035a454e8eb95a2f14ade1ffb93acbc28ac31b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}