{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "60572",
    "entityType": "User",
    "nonce": "0xc066b32f17b6ba504621d28f1f8b36bd9186998057e5c27aa0a0f8af8e94c541",
    "signature": "0x55253bed2cafefa4b882fe1467608f571eef8aaa98506c1757f31d063a6e82113a10d2688780b44a521abbd76eb12badb4bf56268d0c7031852b77acc0a569101c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}