{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "916525058",
    "entityType": "User",
    "nonce": "0xe8744aaa2b68f192514477c46fc7ce9bfbddb8d354601a07475c5e86d5293657",
    "signature": "0x9380ef8031f76acd6c486b6248180dc8949906b71966a3a5173cb8deb72a2dbd04c4bf45422a6170d93d3b62ba1b16188ea2e08735412f6e52eaadffc3d3b1b41c",
    "signer": "0x292eF57C1FAAc86008ab58D5116e0ba424C9189b",
    "userId": "721084704"
  }
}