{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "306948669",
    "entityType": "User",
    "nonce": "0x4c9f4207e73bdf8c1be6382dec7c4bb80eaf152da8253837721cffab49f398a6",
    "signature": "0xea848348d653a4b2b58a3dd5e9c1c80421cddfe37a602e2f8f71a20273db3a2562ed6c379e3a78128102f852c76f686c7748c3d89ae57bd844b4b52a317b19711c",
    "signer": "0xAfE04b3A47505816aD72A3036422AC553C1dFEc3",
    "userId": "515307498"
  }
}