{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89",
    "entityType": "User",
    "nonce": "0xe558606d09eebc438f49b0ae0365469d653dce0064a8f45d657e973de70f3229",
    "signature": "0xf0a6c16347700333adf4e2e696f06bccf1b2ddad98efb36eba304a79d98ba2625a29f12b4aafea4c53ef05fe4f51ff7bfc975336a947f274ecf46d419fca47071b",
    "signer": "0x7a252808bd60a26fe5184c95eb104CfADdA8D4C1",
    "userId": "186415718"
  }
}