{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "152700",
    "entityType": "User",
    "nonce": "0x0793e97795894b57ce053d0cb05c98f3d9aa719957385b4c7f468c6235684fa7",
    "signature": "0xbd9b1011ea8246572b9a89f86c54db5019404e54688e2948c0efc7320f128cd9631e4b1a4f3a8e7714c8297dd4f1a19c9a493e1266169ed0bdabd48a6d8577391c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}