{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48239",
    "entityType": "User",
    "nonce": "0x8f41c6df23e9387fa994dcec123bfa79c5ff671a511aac800e48dc006aadd5d3",
    "signature": "0x19220a545dba8f7324563790c9bf968dfad1e88f55ee8c9b4a1c69f3af26e3e36d763032f5365878f91142c660807c4878126e37e28851f5e4317c5c1399b06a1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}