{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "144332",
    "entityType": "User",
    "nonce": "0x92cd28f57b6132d58c8cb3170851e960e3c0e92601380a27673e5560fdb369ce",
    "signature": "0xc546254ff3a56395b6e064c5a8486df1ce1b41d48df3559f056d5c1a83d9c994221d2761b5b9a8128471519b2df166024dff5bee43d635d81653c013b0961e1b1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}