{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "84941",
    "entityType": "User",
    "nonce": "0xfd3e25fb037a3de0a0ac895c7942e21360625b3caf0378812c1e2f7eb5498610",
    "signature": "0x152789a224c275f9f827504008f69d04138ba370f329d585c91b4a33104379fd06477a67b16e1e397bc5bfc38ec35468554727b31827f713d272191ccd274a0f1b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}