{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "267813348",
    "entityType": "User",
    "nonce": "0xea44236546974b8663182679fdf4f101f8124b3fd88b674526afdcb5d926f590",
    "signature": "0x428bebd5a0fbff2806f5564927b48365f9a0a1897a1754cec9ba2960771a149f6bd4b590d0b849bfbe21087e88562f4b4335c46812b2b7ba1e42d448093459241c",
    "signer": "0x7C2169544c0568cB3b210f320356B6A77E891F30",
    "userId": "495616082"
  }
}