{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40651",
    "entityType": "User",
    "nonce": "0x119c4905964b7e29e8cadfa5761f8edb9d4c9fa9b1ef6dc0c2ab7e475e1e092c",
    "signature": "0x34a04b648fd6c1d79ad9fe2bba8ff798e1a848f606fea44e9f571dccc0b20b9d23b920d384b667ac888d6b274d09892e4b48b27dd626f8a41f7c921f68be21691b",
    "signer": "0xb1706D753BBf0bEd5084443ce266B6E8105167BE",
    "userId": "670186204"
  }
}