{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0xe811c2be6b9b5fbad47c057b358e8e7fa7676561addac6cdf6400d9b74c593bb",
    "signature": "0x00e21b5c0359e5c11b630061a8065bacbcce0031fed8aa0a353882b147f48a272e2a3be6273d0507afa0db561704e58d7b7a67a392f62feab3ada67182613bf41c",
    "signer": "0x94d1769762bc3a1e7DCd3e8a31C89Ff199833Da6",
    "userId": "715573876"
  }
}