{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76829893",
    "entityType": "User",
    "nonce": "0xe4fc1e4154480df9d3aff6931cc23edf340b56deb7071302655bb2ade9939c15",
    "signature": "0x2a25bb0a29d50afff267f7653437cb61d1cab0340a1fdf30bf54bfdfae57779b17f7aff8ef30bcdd6033d87bb98859805d5b4689cb5cace274da2d98729820ca1b",
    "signer": "0x04eC3a362eF9AFb6218bDDF4e831eF107F4177EF",
    "userId": "251156311"
  }
}