{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100058",
    "entityType": "User",
    "nonce": "0x33e83da865c09bc3b6f0b9cd401a4e639737c0b7c76dfaabefd0aa8ae3ede8f5",
    "signature": "0x9365f3248b69ea446d93cd89e81ee351d885fd5782a72b80ecf35c0acccd19cb6b6e0e1f42dbf539c860909708c97bcd3007e285d10ba4211a6212b39fdfda081b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}