{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x708451ce04d70a1f33a9ede2e4f4b1b737ec502df533be7b1b25ccdde44eae79",
    "signature": "0x8370265bd523b80e4872f3ad2c95590665b86a81387958c12ec69f2ee85113c91c9639663ae5bc63a5d41e846ae3e9bae135572abfb8b9002c7828a657d071611b",
    "signer": "0xe4dcd637979Ee1e0D4B8DB8A80a27C43fbCB7c67",
    "userId": "729889907"
  }
}