{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "845727327",
    "entityType": "User",
    "nonce": "0x911dff472a682a49041925a69cc63b62d1ed001de7c57438f714f9b9705ed4c7",
    "signature": "0xcd4430d2985c8c89c0ab372e263fee685e61dc92dffa0ab293e4459e9c41d38561b5514008ca0c275f03b0210304eafe433b9db286d2846d20a9a0128f24d3cd1c",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}