{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "181285",
    "entityType": "User",
    "nonce": "0x8c6fb49377d44853b83420516df246926b75cb406ea2397cf59897b3e1dcf7e4",
    "signature": "0x67e6d967172ece6e700cb3050e30d8cf36dff6f4dacfe9ea0e5a08723a08d42711ca46eb7d6902a2a8aaaa9fa22b9859a25a7bd5fb52a5cafaab7a21e2562fb21b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}