{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "178173",
    "entityType": "User",
    "nonce": "0x8538435ccb3415de78ee4fde8b9358fc28d394a61fadcd086be07f0e44634759",
    "signature": "0x0db85514f41ce4729b55aa0e1bec46c4465a09777dc28ba4ae96f07ae6cac9e405d788017f2f044654493ca04167c1778bb99d14723d608657531a2a7cc9c6a41b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}