{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "79876745",
    "entityType": "User",
    "nonce": "0x5dc8f083af0585ee00f05dc7c43dd3c72935246e799875afbebbaf45992ce9e3",
    "signature": "0x3b7ae2a3d7284f3987c09b6dc70daf52a744126db4b4fbfceb3077f55cd88d7861ba77433b1333df24e0f4756db9fd1f026ed643abe7b9547628e2f9fb4cc65d1b",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}