{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10842",
    "entityType": "User",
    "nonce": "0x0bfd8a6c2fc84b71c8135913468b6ddea359c6b05afabdfb2d4c0a8b6f02ce77",
    "signature": "0xb97613be4ac00c9149a592f60cdb7133dbabea285b4c022a9c30e3a16d18392242e72cdda75fccaa156f6b70c3c70d71d48a324b9a82d680c0854a76930ef5e01c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}