{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "162335",
    "entityType": "User",
    "nonce": "0x06e6d68c5e212b6fa5c6de6708448b474ba812d86b7602f52ae5bfdda69a71c4",
    "signature": "0xefb34ffe0b9f9a5314cbc758c6d6efe6172d07de76eea0349082513407677f4f4cdc9fa933dd543ca4c1d47ef09282e510ac7f2f5b8cf85e2656bd900ca5769b1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}