{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "293531845",
    "entityType": "User",
    "nonce": "0x23130317860868fd5870bc963f6a695b77158543bb77c93164df38fbdf7900c3",
    "signature": "0x86c7d75163254f220f3fc71815cb9c5abd9f23adf26d9b19278fa86a1971b6bf3af71884903e62a82b0eb2df2db3a9b892297f866e98155b5c50023c8f37e7ef1b",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}