{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "170395",
    "entityType": "User",
    "nonce": "0xfebc7fba03cd5bf849e8ff8681a3726ce24f6384ceb808cd2aabd8ef83c4f1df",
    "signature": "0xd48ad105f8f29f44deeae8b1e3dbf0f2ae0b8d8f0870b13419f6d8ebd50c90126c41f9c7249aeabbdda497f575446d28eb934bf403f877b53dc337a5058376011c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}