{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "109789",
    "entityType": "User",
    "nonce": "0x74e1a80ce36fdfb5894fcc318141f278abc3e7995ec9de8a8930232ce8ad9f96",
    "signature": "0x0bbe86068a885ad869aadfa8ce72b11eac661ee84f90f24479fc5ca463ba18cb5f47252e4036996ce4ca8da0ee153d5b1e46045ee7835825d51528dd4f1f53ba1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}