{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105781",
    "entityType": "User",
    "nonce": "0x60a473b8bbf17a6e35e0877cffc67f3723d442be7e74b62009b2f8d56534e166",
    "signature": "0x48ee94c444d09d02287ee53c84b27f867f99a428a19226e4faba24761acd624f166aa992c4e1b575076a5e83665c82ef926a73efab4b7bf332bef63d8b505d141c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}