{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "981716494",
    "entityType": "User",
    "nonce": "0x930ede6fe32a1c917a28017a78fe4c5e629f5413f3e871833fb73272c05115d1",
    "signature": "0x438903c3720895d154d53c9ee1a1ef8b79e6d05a82953e94a362dcd7bdec58c27e72abbdf6943c4dba7072eacca1acd6a64f12a64d70e93e68c26dd200719c071b",
    "signer": "0xFacA45731f376Ad08B3020679B8e608Cb8731E3C",
    "userId": "234994159"
  }
}