{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "938519346",
    "entityType": "User",
    "nonce": "0x54017c4d1eed6b2a239e795b1c6935f48982250885435fd32e3821fd4def4bc9",
    "signature": "0x083d2d40cdcdb8186fa440a66cc091d3091d910142abf1cec68bfd9d84059d211cf85691ac8047d85e25edbaca19da81f1e930f0d9cef9b453116173eb2dcf071c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}