{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "977881607",
    "entityType": "User",
    "nonce": "0x38f07e83e6222df6d4e819f28f99004a7ee17c0f0583cb8d2efc981a7cdfe590",
    "signature": "0x7c76bee4f11fee9bba74f7dd81675af0a279895ba22f1a4c33f56b56a56af6bf50a35cd034f4a1c1442ac6b73d3925201f16c24d31d24899a3197af8709d693c1b",
    "signer": "0x79375D6d575fE2a038916001077f90CbAE12d4A9",
    "userId": "973873678"
  }
}