{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "785328",
    "entityType": "User",
    "nonce": "0x931d603ffa5641b0c3d888d696e1bb761327346537b74a12850d649216dbccbb",
    "signature": "0x8dda65b43528258cda9efaa331a288036ce2abb28eec68ffae4a964a0f52046048fc33e55d804c2b6991c58c15ccc170741e90f744afd489f7d287b34b43358f1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}