{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "949295002",
    "entityType": "User",
    "nonce": "0x71b9cd25c599b80364383814fc6c31ca92d097f0f8f7c7b866eeb535a4736a3c",
    "signature": "0x4787ed32e33dafd8d3c8e82277bce044e9b4002dbc41b25f53f2e6d347aed6ef3bf19f6fa509bc5556d489efcb41f5f81b340a8a4ce93033e29e642de8b0cd8e1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}