{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "206753",
    "entityType": "User",
    "nonce": "0x96373bc3dec1997e6192e39a55ae0f8148f2bea65328a03b4b62c307794ef914",
    "signature": "0x8b053b284761babdfe4fb97f28a7619043a508587fa7c3af7d6963aff91dbe427f0d9be5ece87b20a8e4962bb8f51f4e2fd7e52cf9d4029de7e300213ca2c9c31b",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}