{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "64649975",
    "entityType": "User",
    "nonce": "0x14cb9db22d049744d871339aaf410f98a84bc5e30f16de1b786752a5da68b0b7",
    "signature": "0xfde731e5c566c0d83a244421d2412a563b0101dbe63c48f96667c1f10e2275ad7341ac671355926b7645fe53b70dc163673e7f229f9d101eac4b1040f4f3714e1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}