{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "126",
    "entityType": "User",
    "nonce": "0xdcdec391afb8335f7bf3c6064206d269708f8d1d1e5be7a06a59225cf68cea99",
    "signature": "0xd34a1e83bb27567fd578f96229adee56683973b39f694ed79991675e41256062350e867063d055521bfafb6e14deea5a100bf239677068d5ba9e50c4c788ddee1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}