{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "189230",
    "entityType": "User",
    "nonce": "0xd74a87ee36c17b9619fb6d1b58904643808542cad377ad7ae7a90cf9b8760edd",
    "signature": "0xabbe621a354f585add1bf86e4433ed64f94324c2ad7aedf6af4148cac6b36c9f65ba5ccaa13b6e0566e89b8a5ce4abf79adfff49862049488e60c62038e5c1aa1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}