{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "994013869",
    "entityType": "User",
    "nonce": "0x1c750cd98646e88a736c15389831e65976cd4362632437bc74a0d44985b75adc",
    "signature": "0x6d84163a938b8b37a9a0a246ea06e42dc28965cac255f285ae7a4fd4f10c11e4593c8b64ef47b46d5cef4a30651500104b2bfe79666a6ca19a10f7668092b66e1c",
    "signer": "0x27eB4b469aE053b72c26B3e9c68a655390Fe24fB",
    "userId": "42216"
  }
}