{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "800321962",
    "entityType": "User",
    "nonce": "0x23a9bbdd613b7d864b2af1a9c1e5d9fa785f8ba33e6a8b4d10f9cc99e80a9b68",
    "signature": "0x65722a87d2b69a90d72b1e76d2926e27a05ef175afa5c7638343dda4bd4e37f73d88622ba8f83060ff320d83aa7dd3d8b19c6c49a19ef400f46d25e3bc3e25f31c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}