{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "675830993",
    "entityType": "User",
    "nonce": "0xb0fe1dc0da1a380412bc256d0235e3ab218e34ea3aa5c37dba926d1c4696ce79",
    "signature": "0x27b6e21c9070193329deb0317b5b20407c290c3993aa40840a20d96a901a57c60d3034358ac9142117243f0d1c85ea2a02d82e43bbacff02520ba4589411041c1b",
    "signer": "0x0E71C12c426F5C9206F778713f48B60477CA943b",
    "userId": "29088079"
  }
}