{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120291",
    "entityType": "User",
    "nonce": "0xfef335101ea07d6164cdcb9e86181b8bd97784ddc2084bb381264cbceb0f4f3a",
    "signature": "0x02069f5e35afc3f589be296a7fe9d20a47e9fed41ec8a0206fec0a6b019ee2482ae989ba4bac8c9a1d5aa4d6ffc98e469be28e0ad1e7fe53238de4242e78dff91b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}