{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61640",
    "entityType": "User",
    "nonce": "0x0dfe827c67e120b1d2a074dc616852adb5985c2d6856d67254bd7385f636d24b",
    "signature": "0x7a6df1d9f7bf7472a2d8df0d9c300af65f5c79e58898ce477b5161a2e4783f57365f89e2b84df1147be3da33d86779f04b8ab913b2ef0614965b54ffd49d1af11c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}