{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "201346",
    "entityType": "User",
    "nonce": "0x59e28005b577a662e75e881923bf600f7dae0c4ce0377718d0b34b81ac865a5a",
    "signature": "0x647e38bac014dc25aef94d8f36b014923c32ea8bcaa49cb0b064e7a8ff13f50d15426e0da5c2506c8aba891b070935f9e452c753805f32de996ec62901ecadb21b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}