{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "957873025",
    "entityType": "User",
    "nonce": "0xb7bc9c184efa5e5058f72e416c5bcaf60634f4fdedc4f6aae7d190ab07b353da",
    "signature": "0xeb7f09f11c4ea9963a59ccb60c17ec9c766b9c0a85e2cf532f4e095f43f3ddee6fab466f24f81cb0deb58e189f2d2807f442a63abc03965fef3c89595724b7651c",
    "signer": "0x2aF04528b05939B9f7F5D99Fd67081660907b6b6",
    "userId": "3541"
  }
}