{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "735650",
    "entityType": "User",
    "nonce": "0x7590d62980b99a6961109e3070c20467f665af326c7239f3dffd66f9adb73607",
    "signature": "0xeae84f2499812a0f795ce5244db9dce5d0fb973c4624a30a0a2e1406243fae3e76bf0d4ab4b58740a96fd3509a51b82eb795a8cdc6241b8127a245e69e87a7761c",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}