{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "282358",
    "entityType": "User",
    "nonce": "0x452683c1ba01bda0ad05e19059e1f505d25fb39f1ff437426075205f19221925",
    "signature": "0x15b4f469a404f5ee293f91413a2c74cba2f8c411767e5e03cadfde65fc629d3163ad88113cde6563bff18f9ecf90a12cd0dbe28933c907680421e1f91901ba701c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}