{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "163449",
    "entityType": "User",
    "nonce": "0x603143224e05d2452695a80b75d8a55c1b3a62f636fca022b20cb921e2b47b11",
    "signature": "0x333f23cfda7a85acdfab9f0436fa7dac896b19e890ac24d2b764a23bf7344fb54d6080793c5f5793200c076e6bedcecf14925621a63fc3247f81f98135a3f26a1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}