{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "279936",
    "entityType": "User",
    "nonce": "0xaea0013f5ffbb3e7d5a806bb0c5b9d6dcd1c75f005afb2cec13ccba6f0effcff",
    "signature": "0x4793a0f95ff3863d4a1794b5bb85e265eeb576e2ae0802c562342722e3aeff2613c64c0ebd5667e36e38bb7d3312a0e61ee62372aa5498a459d5d2bfdcbe5eaa1b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}