{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35251",
    "entityType": "User",
    "nonce": "0x352ad2ca7b97a0a87d51169ce25c14e59fe86e1989ac9496a4b2fc8424a2e4b5",
    "signature": "0xa923441132c4e6881790037dcd9c372e39598648e0b8aea6f41246f96c59f5213f37162ff1db347b64c825df8e3b89758f00a539fa4bf6531739eedb5c50fa391c",
    "signer": "0x6818B889bFEAe14D2ADdaC4dBF0eAe75779d7Ac4",
    "userId": "341292657"
  }
}