{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10075",
    "entityType": "User",
    "nonce": "0xb0a01f7a045480069a1e777b4f6fdca5a22c4466647d9fa34bc15f9dbec6ac1e",
    "signature": "0xf4b237ba7714c2580d067a1fde6f41c4b5bb4115223777d974fdc606687948755d71e89bb56a1ea5a5db6ec39a7cfab80ef76bf48ccf64588511492b0d2578be1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}