{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x6eb7f140ac4a3ba08e7ef09cc0fa10a33cdd84e423495d81f792b735db8ddaf3",
    "signature": "0x0310a097cfe0433646be43d5462e75be6effd4ba0db9a8a2d09cff21a8642f2c50b59ba54e637d45cfd9618bd1bfd56a4492fa2c46d20cb79ba99597c700dc991c",
    "signer": "0x6c1C8d036b3c0119e31Edb58B17D120E6e91C833",
    "userId": "206524150"
  }
}